Difference between revisions of "Expobar Office Control"

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(got rid of preinfusion info since control does not have this feature)
 
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The Expobar Office Control is a [[:Category:Prosumer|Prosumer]] espresso machine designed for home or office use. {{Description-Table
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{{Getting-Started
|title        = Expobar Office Control
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|brand = Expobar
|machine_image = [[File:EXPOBAR_OFFICE_CONTROL.jpg]]
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|machine_type = Prosumers
|manufacturer  = [[:Category:Expobar|Expobar]]
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|product_banner = [[File:Wiki_ProductPageBanner_1200x175_ExpobarOfficeControl_v1.jpg]]
|model_name    = Control
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|product_page_title = Expobar Office Control
|type          = [[:Category:Prosumers|Prosumer]]
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|page_type = set up
 +
|section1 = Install It
 +
|anchor1 = Install
 +
|section2 = Get it Good & Hot
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|anchor2 = Heating
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|section3 = Get a Handle on your Tamp
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|anchor3 = Tamping
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|section4 = Brew Better
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|anchor4 = Brew Better
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|section5 = Brew the Best You Can Brew
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|anchor5 = Brew Best
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|section6 = Get Frothing
 +
|anchor6 = Get Frothing
 +
|section7 = Froth Better
 +
|anchor7 = Froth Better
 +
|section8 = Frothing and Habits to Avoid
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|anchor8 = Frothing Mistakes
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|section9 = Steam & the Heating Sweet Spot
 +
|anchor9 = Steaming Temperature
 +
|section10 = Steam with Thermometers
 +
|anchor10 = Steam with Thermometers
 
}}
 
}}
 
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{{Set-Up-Content
== Machine Description ==
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|dual_boiler =  
 
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|e61 = no
The Expobar Office Control is a fully automatic commercial-style espresso machine that has four programmable buttons for dispensing any amount of water through your coffee with the push of a button. The commercial style boiler is made of copper, has all the controls that are found on the larger commercial machines, and utilizes a 1250-watt heating element. It can simultaneously brew and steam making it suitable for home use or light commercial use. It has both a steam wand and hot water dispensing wand that are mounted on ball joints so that they can swing in any direction. The grouphead is similar to the E-61 grouphead style, which constantly circulates water through the grouphead providing temperature stability. It has a body made of heavy-gauge polished stainless steel. It features a passive cup warmer and a large drip tray, and a 2.75 liter reservoir which is easily removable for cleaning or filling at the sink.
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==Basic Usage==
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===Getting Started===
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{{#ev:youtube|https://www.youtube.com/watch?v=c0HvW3-J0Do|480|center}}
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===Adjusting Brew Pressure===
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{{#ev:youtube|https://www.youtube.com/watch?v=torXYzDE2y0|480|center}}
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===Draining The Boiler===
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{{#ev:youtube|https://www.youtube.com/watch?v=ln25nJbyQQc|480|center}}
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== Cleaning & Maintenance ==
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{{Maintenance-Prosumer
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|single_heat_exchange = Yes
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|group_gasket_link    = The gasket can be purchased [https://www.wholelattelove.com/products/group-gasket-for-all-expobar-models-8-0mm here]. Instructions for replacing the gasket can be found below:[[File:EXPOBAR BREWTUS & LEVER Gasket Changing.pdf|250px|thumbnail|center|Group Gasket Changing Instructions]]
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|descaling_products  = The machine can be descaled using [https://www.wholelattelove.com/products/urnex-full-circle-descaling-liquid Urnex Full Circle Cleaning Liquid].
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|softener_info        = This machine has a water softener cartridge available. The water softener should be replaced every 3 months. To make the water softener more effective it should be recharged on a monthly basis. The following document explains how to recharge the water softener: [[File:EXPOBAR ALL Recharging Water Softener.pdf|250px|thumbnail|center|Water Softener Recharging Instructions]] Replacement water softeners can be purchased [https://www.wholelattelove.com/products/expobar-water-softener-cartridge here].
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}}
 
}}
 
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[[Category:Expobar]]
== Troubleshooting ==
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===No Crema or Bad Tasting Shots===
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{{Troubleshooting-No-Crema-Bad-Shots}}
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===Difficulty Frothing===
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{{Troubleshooting-Frothing}}
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===Flow Issues===
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The first place to start with any flow issue is cleaning the machine. Before going through these steps please make sure the machine is cleaned according to the [[#Cleaning & Maintenance|Cleaning & Maintenance]] section of this article.
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{{Troubleshooting-Prosumer-No-Steam
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|steam_gauge        = No
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|vacuum_relief_instr = Instructions for cleaning the vacuum relief valve can be found in the video below: {{#ev:youtube|https://www.youtube.com/watch?v=ecR9nDsORd8|480|center}}
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|hls_reset_instr    = Instructions for resetting the high limit switch can be found in this document:[[File:EXPOBAR_CONTROL_&_PULSER_High_Limit_Reset_Instructions.pdf|250px|thumbnail|center|High Limit Switch Reset Instructions]]
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|pstat_picture      = [[File:EXPOBAR OFFICE LEVER 2-Wire Pressurestat.gif|200px|super|thumbnail|right|2-Wire Pressurestat]]
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|pstat_adjust_instr  = Instructions for adjusting the pressurestat can be found in the document below:[[File:EXPOBAR_OFFICE_CONTROL_&_PULSER_Pressurestat_Adjustment.pdf|250px|thumbnail|center|2-Wire Pressurestat Adjustment Instructions]]
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|pstat_rep_instr    = A replacement pressurestat can be purchased [https://www.wholelattelove.com/products/2-wire-pressurestat-ceme-wide-band here].
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}}
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{{Troubleshooting-Prosumer-Brew-Blocked
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|programmable_shots = Yes
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|grouphead_instr    = Instructions for taking the grouphead apart for cleaning can be found below:[[File:EXPOBAR_OFFICE_CONTROL_&_PULSER_Group_Clean_&_Backflush.pdf|250px|thumbnail|center|Backflushing & Grouphead Cleaning Instructions]]
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|backflush_instr    = Backflushing instructions can be found in the tech document from the previous step.
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|valve_instr        = Instructions for taking the OPV valve assembly apart for cleaning can be found below: [[File:EXPOBAR OFFICE PULSER OPV Valve Repair.pdf|250px|thumbnail|center|OPV Cleaning Instructions]]
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}}
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{{Troubleshooting-Prosumer-No-Hot-Water
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|steam_gauge        = No
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|vacuum_relief_instr = Instructions for cleaning the vacuum relief valve can be found in the video below: {{#ev:youtube|https://www.youtube.com/watch?v=ecR9nDsORd8|480|center}}
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|hls_reset_instr    = Instructions for resetting the high limit switch can be found in this document:[[File:EXPOBAR_CONTROL_&_PULSER_High_Limit_Reset_Instructions.pdf|250px|thumbnail|center|High Limit Switch Reset Instructions]]
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|pstat_picture      = [[File:EXPOBAR OFFICE LEVER 2-Wire Pressurestat.gif|200px|super|thumbnail|right|2-Wire Pressurestat]]
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|pstat_adjust_instr  = Instructions for adjusting the pressurestat can be found in the document below:[[File:EXPOBAR_OFFICE_CONTROL_&_PULSER_Pressurestat_Adjustment.pdf|250px|thumbnail|center|2-Wire Pressurestat Adjustment Instructions]]
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|pstat_rep_instr    = A replacement pressurestat can be purchased [https://www.wholelattelove.com/products/2-wire-pressurestat-ceme-wide-band here].
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}}
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====No Flow At All====
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{{Troubleshooting-Prosumer-No-Flow-At-All
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|water_supply = Reservoir
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|sensor_instr = The water tank sensor may be wired incorrectly. This video below will explain how to rewire the sensor correctly: {{#ev:youtube|https://www.youtube.com/watch?v=UIiLeRdVWAU|480|center|||start=61}}
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|pump_instr  = This video will explain how to test for electrical pump issues:{{#ev:youtube|https://www.youtube.com/watch?v=UIiLeRdVWAU|480|center|||start=961}}
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|valve_instr  = Check to make sure the fill valve is operational. This video will explain how to see if the fill valve is activating properly:{{#ev:youtube|https://www.youtube.com/watch?v=UIiLeRdVWAU|480|center|||start=1088}}
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}}
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===Machine Is Leaking===
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{{Troubleshooting-Prosumer-Bad-Gasket
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|gasket_instr = Instructions for changing the gasket can be found here: [[File:EXPOBAR BREWTUS & LEVER Gasket Changing.pdf|250px|thumbnail|center|Group Gasket Changing Instructions]] A replacement group gasket can be purchased [https://www.wholelattelove.com/products/group-gasket-for-office-lever-and-brewtus-8-5mm here].
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}}
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{{Troubleshooting-Prosumer-Bottom-Leak
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|water_source      = Reservoir
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|tube_reservoir    = Yes
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|level_probe_instr = The water level probe can be cleaned by removing it from the boiler. First make sure the machine is unplugged and fully cooled off. The probe is listed as part 4 on p.11 of the machine's parts diagram.
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####The probe is secured to the boiler by a bolt. Use an open ended wrench or adjustable wrench to remove the probe. Newer versions of the machine will have a two bolt assembly. Remove the smaller upper bolt to access the probe.
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####Once the probe is removed clean it off. Soak the probe in a solution of hot water and backflushing powder.
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####If the probe has a large amount of scale buildup on it a scrubby sponge can be used to remove the scale buildup. Do not use a metal scrubber as it can damage the probe.
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####Also examine the wiring of the probe to make sure it is intact and is attached to the power board of the machine.
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}}
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{{Troubleshooting-Prosumer-Top-Steaming
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|vacuum_cleaning_instr = {{#ev:youtube|https://www.youtube.com/watch?v=ecR9nDsORd8&ab_channel=WholeLatteLove|480|center}}
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|vacuum_replace_link  = A replacement vacuum relief can be purchased [https://www.wholelattelove.com/products/vacuum-relief-valve-rubber-seal here]
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|steam_adjust_style    = Gauge
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|pstat_adjust_instr    = Instructions for adjusting the pressurestat can be found in the document below:[[File:EXPOBAR_OFFICE_CONTROL_&_PULSER_Pressurestat_Adjustment.pdf|250px|thumbnail|center|2-Wire Pressurestat Adjustment Instructions]]
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|relief_stuck_instr    = The pressure relief valve is attached to the top of a t-junction, which is listed as part 7 on p.11 of the machine's parts diagram. The relief valve is not pictured on the diagram, but a picture of the part is shown below: [[File:EXPOBAR OFFICE CONTROL & PULSER Pressure Relief Valve.jpg|250px|thumbnail|center|Pressure Relief Valve]] Make sure the machine is turned off and cooled down. Then use an open ended wrench or adjustable wrench to unscrew this part from the boiler. Soak the valve in a solution of hot water and backflushing powder, and use a grouphead cleaning brush to remove any major scale deposits on the part.
+
}}
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{{Troubleshooting-Prosumer-Wand-Leak
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|knob_instr        =<br />
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##Pop the cover of the knob off. This can typically be done by hand, but a flathead screw driver can be used as well.
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##Once the cover is removed the knob should look like this. If the knob is spinning in place continuously then the clip is broken. The clip is shown below, with a red arrow pointing to it: [[File:EXPOBAR OFFICE CONTROL & PULSER Knob No Cover.jpg|400px|thumbnail|center|Knob with cover removed.]]
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|descalable        = Yes
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|tip_instr          = <br />
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##The steam tip o-ring is easy to access. Simply remove the steam tip and there will be a small o-ring between the tip the wand arm. Inspect this o-ring for damage and clean it.
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##The hot water tip is a little more complicated, but still easily accessed and cleaned.
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###First unscrew the entire tip assembly from the wand arm. [[File:EXPOBAR BREWTUS IV Hot Water Tip Removed.jpg|200px|thumbnail|center|Hot Water With Tip Removed]]
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###There will be an o-ring between the tip assembly and the wand arm. If the leaking was coming from here, then this o-ring needs to be cleaned and repositioned, or if it is damaged it will need to be replaced. [[File:EXPOBAR BREWTUS IV Hot Water O-ring.jpg|200px|thumbnail|center|The red arrow points to the described o-ring]]
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###If the leaking was coming from farther down on the tip, then the tip will need to be disassembled further to troubleshoot. To disassemble the tip further simply twist the two halves of the tip assembly in opposite directions. [[File:EXPOBAR BREWTUS IV Hot Water Tip Disassembly.jpg|400px|thumbnail|center|Twist in the direction of the arrows shown.]]
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###Once the tip is apart it will separate into four separate pieces. There will be three metal pieces and another o-ring. Inspect the o-ring for cleanliness and damage. The metal pieces can be soaked in a solution of hot water and backflushing powder to remove and scale buildup on them. [[File:EXPOBAR BREWTUS IV Hot Water Tip Blowout.jpg|400px|thumbnail|center|The disassembled hot water tip.]]
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}}
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===Machine Not Heating Or Powering On===
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{{Troubleshooting-Prosumer-No-Power}}
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#The video below also systematically goes through the electronic systems on an Expobar unit. It may help you identify the cause of the issue.
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{{#ev:youtube|https://www.youtube.com/watch?v=UIiLeRdVWAU|480|center}}
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{{Troubleshooting-Prosumer-Brew-Cold
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|temp_adjust_style    = Pressurestat
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|pstat_adjust_instr    = Instructions for adjusting the pressurestat can be found in the document below:[[File:EXPOBAR OFFICE LEVER 2-Wire Pressurestat Adjustment.pdf|250px|thumbnail|center|2-Wire Pressurestat Adjustment Instructions]]
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|hls_instr            = Instructions for resetting the high limit switch can be found in this document:[[File:EXPOBAR_CONTROL_&_PULSER_High_Limit_Reset_Instructions.pdf|250px|thumbnail|center|High Limit Switch Reset Instructions]]
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|element_testing_instr = Instructions for testing the heating element can be found in the video below: {{#ev:youtube|https://www.youtube.com/watch?v=UIiLeRdVWAU|480|center|||start=774}}
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#:It is highly suggested that if the machine has a bad heating element that the machine be sent in for repair. Replacement of this element is complex, and can cause damage to the machine if not done properly. We suggest reviewing the instructions below before purchasing an element. If you are not comfortable with any part of the instructions you should not attempt the replacement.[[File:EXPOBAR ALL Replacing The Element.pdf|250px|thumbnail|center|Element Replacement Instructions]]
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}}
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{{Troubleshooting-Prosumer-Steam-Cold
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|steam_test_instr      = Instructions for doing a steam test for the machine can be found in the video below: {{#ev:youtube|https://www.youtube.com/watch?v=iM_kVx-Fr3M|480|center}}
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|temp_adjust_style    = Pressurestat
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|pstat_adjust_instr    = Instructions for adjusting the pressurestat can be found in the document below:[[File:EXPOBAR OFFICE LEVER 2-Wire Pressurestat Adjustment.pdf|250px|thumbnail|center|2-Wire Pressurestat Adjustment Instructions]]
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|hls_instr            = Instructions for resetting the high limit switch can be found in this document:[[File:EXPOBAR_CONTROL_&_PULSER_High_Limit_Reset_Instructions.pdf|250px|thumbnail|center|High Limit Switch Reset Instructions]]
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|element_testing_instr = Instructions for testing the heating element can be found in the video below: {{#ev:youtube|https://www.youtube.com/watch?v=UIiLeRdVWAU|480|center|||start=774}}
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#:It is highly suggested that if the machine has a bad heating element that the machine be sent in for repair. Replacement of this element is complex, and can cause damage to the machine if not done properly. We suggest reviewing the instructions below before purchasing an element. If you are not comfortable with any part of the instructions you should not attempt the replacement.[[File:EXPOBAR ALL Replacing The Element.pdf|250px|thumbnail|center|Element Replacement Instructions]]
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}}
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{{Troubleshooting-Prosumer-No-Heat
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|hls_reset_instr  = Instructions for resetting the high limit switch can be found in this document:[[File:EXPOBAR_CONTROL_&_PULSER_High_Limit_Reset_Instructions.pdf|250px|thumbnail|center|High Limit Switch Reset Instructions]]
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}}
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===Portafilter Handle Not Fitting On Machine===
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{{Troubleshooting-Prosumer-Portafilter}}
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===Shots Run Too Long/Don't Stop===
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If you've programmed one of the buttons to a particular amount and the machine is going over the programmed volume, or the machine is won't stop flowing when you hit one of the programmed brew options there are a few things to try:
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#Make sure that you are programming your shots with coffee in the portafilter basket. If the machine is programmed with an empty portafilter basket the shot volume will be altered. The video below shows how to program a shot on the machine. {{#ev:youtube|https://www.youtube.com/watch?v=c0HvW3-J0Do|480|center|||start=221}}
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#If the machine is still producing inconsistent shot amounts try programming a shot without coffee and see if the machine saves the amount properly. Inconsistency in the grind itself could cause varying amounts of backpressure during brewing, resulting in a variance in the total shot volume. If the machine produces a consistent volume without coffee this may indicate that your grinder needs calibration.
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#If the machine flows water continuously when you press a programmed brew button there are two causes:
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##First, the machine may have accidentally been put into programming mode. If all of the lights are lit up, or both the manual light and the light above the button you pressed are both lit, then the machine is in programming mode. The machine will not stop flowing until you hit the brew button your pressed again.
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##There may be an issue with the flowmeter. The flowmeter is a device inside the machine that detects how much water has passed through the system when the brew circuit is activated. This is the device responsible for measuring shot length for the programmed shots. This part can become blocked or dirty. The flowmeter is listed as part 9 on p. 9 of the parts diagram. This part should be taken apart for cleaning. The older version of this part simply twists apart for cleaning, while the newer version will require some screws to be removed. A blown up view of the new version can be found on p. 14 of the machine's parts diagram.
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==Diagrams & Manuals==
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{{Support-Documents
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|title              = Expobar Office Pulser
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|hydraulic_diagram  = [[File:OFFICE PULSER Hydraulic Diagram.pdf|150px]]
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|machine_manual    = [[File:OFFICE LEVER Machine Manual.pdf|150px]]
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|parts_diagram      = [[File:OFFICE PULSER Machine Manual.pdf|150px]]
+
}}
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+
==Specifications==
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{{Specifications-Prosumer
+
|basic_specs              = Yes
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|width                    = 9.5 in.
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|height                  = 15.25 in.
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|depth                    = 16.5 in.
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|weight                  = 36 lbs
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|watts                    = 1469
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|volts                    = 120
+
 
+
|housing                  = Yes
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|housing_material        = Stainless Steel
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|drip_tray_material      = Plastic
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|drip_tray_cover_material = Stainless Steel
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|drip_tray_capacity      = 20 oz.
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|power_cord_length        = 40 in.
+
 
+
|cup_height              = Yes
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|max_cup_height          = 3.5 in.
+
 
+
|frothing                = Yes
+
|wand_material            = Stainless Steel
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|wand_style              = Commercial Style
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|wand_movement            = Articulating
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|usable_length            = 5.75 in.
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|height_off_counter      = 6.75 in.
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|number_of_holes          = 1
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|optional_tips            = Yes
+
 
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|water_source            = Yes
+
|source_type              = Reservoir
+
|reservoir_capacity      = 93 oz.
+
|reservoir_material      = Plastic
+
|reservoir_removable      = Yes
+
 
+
|controls                = Yes
+
|control_type            = Rocker
+
|display_type            = LED
+
|pre_infusion            = Yes
+
|low_water_warning        = Yes
+
 
+
|cup_warmer              = Yes
+
|warmer_material          = Stainless Steel
+
|warmer_size              = 10 in. x 8 in.
+
|warmer_type              = Passive
+
 
+
|portafilter              = Yes
+
|portafilter_material    = Chrome Plated Brass
+
|portafilter_type        = Commercial Style
+
|quantity_included        = 1
+
|portafilter_weight      = 1 lb
+
|portafilter_diameter    = 58 mm.
+
|commercial_baskets      = Single & Double
+
|pod_compatibility        = Pod Kit Available
+
|bottomless_portafilter  = Yes
+
|tamper_size              = 58 mm.
+
 
+
|brew_group              = Yes
+
|group_material          = Chrome Plated Brass
+
|group_type              = E61
+
|preheat                  = Yes
+
|solenoid                = Manual
+
|capsule_friendly        = Pod Kit Available
+
|back_flushable          = Yes
+
 
+
|boiler_data              = Yes
+
|num_boilers              = 1
+
|brew_steam_simultaneous  = Yes
+
 
+
|brew_boiler              = Yes
+
|brew_boiler_type        = Heat Exchanger
+
|brew_boiler_wattage      = 1250
+
|brew_boiler_volume      = 1.7 Liter
+
|brew_boiler_material    = Copper
+
|brew_boiler_orientation  = Vertical
+
|brew_element_location    = Internal
+
|brew_boiler_autofill    = Yes
+
|brew_boiler_insulated    = Yes
+
 
+
|steam_boiler            = Yes
+
|steam_boiler_type        = One Boiler For Brew & Steam
+
 
+
|pump_data                = Yes
+
|pump_type                = Vibration
+
|pump_wattage            = 41
+
|pump_pressure            = 15 Bar
+
|pump_pressure_adjust    = Yes
+
|pump_deairator          = Yes
+
|pump_self_prime          = 8 to 9 bar
+
 
+
|performance              = Yes
+
|heat_up                  = 420 s.
+
|recommended_heat_up      = 900 s.
+
|steam_time_8            = 9 s.
+
|hot_water_temp_8        = 105 F°
+
|hot_water_time_8        = 13 s.
+
|brew_sound_level        = 60 Db
+
 
+
|details                  = Yes
+
|manufacture_country      = Spain
+
|recommended_application  = Home/Commercial
+
}}
+
+
<!-- Categories -->
+
 
[[Category:Prosumers]]
 
[[Category:Prosumers]]
[[Category:Expobar]]
 

Latest revision as of 12:34, 23 August 2019

Expobar Office Control

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Install It

  1. Find a swanky spot in your home for your new machine to live, preferably where the morning sun can strike the mirror-finished housing so you can fully appreciate the bright idea that is your purchase.
  2. Get the power cord and the accessories out of the box.
  3. Plug the machine directly into an outlet. Don't plug it into surge protectors, extension cords, or timers.
  4. Fill the water tank.

Get it Good & Hot

It's time to get heated.

  1. Turn on the machine.
  2. Lock the portafilter into the group head.
  3. Wait 30 minutes.
  4. Take this time to start reading up on how to brew and froth below, if this is your first machine or you're new to pulling shots.
Heating Prosumer Image.jpg



Get a Handle on your Tamp

  1. Level off the grounds in your portafilter
  2. Keep your tamper level with the basket
  3. Apply consistent force downward, evenly, and level with the portafilter
    • 30 lbs. of pressure is a good rule-of-thumb to follow for beginners
Wiki-YT-HowToTampEspresso.jpg

How To: How Do You Tamp for Espresso?



Brew Better

  1. Lock the portafilter into the brew group.
  2. Lift the brew lever all the way up.
    • Aim for 2 to 2.5 oz. in about 25 seconds.
  3. Drink your shot to test.
  4. Repeat until properly motivated to get work done.


The big secret to finding that exact flavor you're after, that big punch-in-the-mouth feel, is dialing in your grind. For a basic rule-of-thumb, a coarser grind makes for a lighter, fluffier coffee, and a finer grind makes for a more intense, flavorful espresso. Check out the video on the right for more info.

Wiki-YT-BasicEspressoTechnique-DialingGrindSize.jpg

How To: Basic Espresso Technique - Dialing in Grind Size



Brew the Best You Can Brew

For more control, you'll want to know about how brew ratios and weighing your shots can help you keep a recipe so you can repeat your favorite results. Brew rations and weighing take all the guesswork out of the process so you always know what you're going to get.

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How To: Basic Espresso Technique - Brew Ratios & Weight



Get Frothing

If you like cappuccinos, lattes, Flat Whites, and other milk drinks, you're gonna need to know how to froth.

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Milk Frothing for Beginners



Froth Better

For a few quick tips to improve your frothing technique, check out the video on the right. You'll learn a few tricks to make your drinks even better.

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Quick Tip: Five Basic Tips for Frothing Milk



Frothing and Habits to Avoid

Frothing can be a delicate process. There's a number of mistakes you can make that really bring down the quality of your drinks. Check out the video on the right to learn some easy things you can avoid going forward.

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Quick Tip: Six Common Milk Frothing Mistakes



Steam & the Heating Sweet Spot

The literal sweet spot for steaming milk falls between 140°F and 155°F, with smaller drinks on the lower end and larger drinks on the higher end. A quick rule-of-thumb we follow is to steam just until the frothing pitcher becomes a little too hot to hold comfortably.

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What is the Best Temperature for Latte Milk?



Steam with Thermometers

If you're using a thermometer, you'll want to learn about lag time and how to read a frothing thermometer to correctly gauge the steaming process.

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How to Use a Thermometer When Frothing Milk for Latte and Cappuccino