Bunn ITCB-DV manual For proper extraction, Brew cycle should be started

Page 74

TROUBLESHOOTING (cont.)

 

 

 

 

 

PROBLEM

 

PROBABLE CAUSE

 

REMEDY

Dripping from sprayhead.

1.

Brew valve

Repair or replace leaky valve

Water overflows filter.

1.

Type of paper filter

BUNN paper filters should be used

 

 

 

 

 

for proper extraction

 

2.

No sprayhead

Check sprayhead

Beverage overflows server.

1.

Beverage left in server from

The brew cycle should be started

 

 

previous brew

only with an empty server under

 

 

 

 

 

the funnel.

 

2.

Brew volume adjustment

Adjust the brew volumes as required

 

 

 

 

 

to achieve the recommended vol-

 

 

 

 

 

ume for each brew cycle.

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36748 041504

 

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Contents Post Office BOX SPRINGFIELD, Illinois Phone 217 529-6601 FAX 217BUNN-O-MATIC Commercial Product Warranty Volt Machine IntroductionDual Voltage Machine User Notices 0 7IRE .$  #29710.0010 Ptional &IELD 7IRING0 7IRE .$  #29710.0009 Conductor for earth ground Dual Volt Toggle Switch Electrical HOOK-UPElectrical Requirements A separate conductor For earth groundTank Drain Plumbing RequirementsPlumbing Hook UP Operating Controls Viewing Assigned Recipes & Asset Number Make sure the ON/OFF switch is OFF LED will not be litInitial SET-UP Repeat for Brew B and Brew CWithout a Smart Funnel and G9-2T DBC Grinder TEA BrewingCoffee Brewing With a Smart Funnel and G9-2T DBC or MHG GrinderCleaning MediumGlossary Glossary Programming Section Programming SwitchesProgramming Ready to Brew Water Temp Programming the BrewerImportant Programming Notes Read Carefully ScreenProgramming Functions Flow Chart Programming the BrewerProcedure for setting Brew Lockout Programming Functions Level Brew LockoutSET Language Procedure for setting LanguageProgramming the Brewer Programming Functions Level 2 Procedure for setting the Units UnitsModify Show and Next Review Recipes Modify recipe, set up standard recipesProcedure for reviewing the recipes Assign Recipe Using a Smart Funnel and a G9-2T DBC or MHG Grinder Master Temp YESDONE? Card Contains Recipe for Coffee Name Setup CompleteReady to Brew Water Temp Coffee Name Show Quit SaveIf the brewing information is not correct, or it is Review RECIPES? No YESStored in the brewer’s memory Coffee Name Modify Show NextRecipe Name Modify Show Next Review Recipes No YESTEA Modify Show Next Brew OZ XX.X Done +Batches DONE? Dilute Dely Done +Brew OZ Read Dilute OZ SET Pulse Brew No YESTea recipe to be modified Water for that particular batch sizeSetting Pulse Brew Easy Pulse Brew TEA Recipes SET Pulse BrewRead Select Method Read Dilute DelyBrew Press and release YES. The display should now read Dilute OZ Press and release DONE. The display should readSelect Method Easy Next Manual 1ST on TimeSET Pulse Brew No YES OFF TimeStep Setting for the batch size just programmed. AfterOccurs for that batch size Read 2 Batches DONE?SCREEN, press and release the ON/OFF button NO-NAME Coffee Modify Show NextCoffee recipe to be modified Coffee Recipes SET Pulse Brew Last on Time Pre-Infusion to 4 minutesRead SET Pulse Brew Size to display the settings for that batch. After aDirectly to step Repeat steps 10, 11Press and release DONE. The display should read TEA Modify Show Next Repeat steps 8 through Coffee Recipes Drip TimePulse Brew Using -and +, adjust the brew and faucet tem- perature Master TempReady Degree Procedure to set ready temperature Range 2 to 20 F 1 10 CUsing -and +, adjust the ready temperature Procedure to Write an Ad Enable ADSProcedure to Enable/Disable Ads WriteFrom the NEW AD? screen, press and release Card Card no WriteProcedure for enabling sanitation Range 0.0 to 72.0 hrs Enabl SanitationEnableFreshTimer Enable EnergysavrProcedure to enable energy savings mode DoneCoffee Enable Fresh TimerTimer XXX RefillRefill Range 0 toProcedure to adjust the sprayhead flow rate set- ting Spray OZ/MProcedure to adjust the dilution flow rate setting Dilute OZ/MContainer READY? Quit YES Calibrate FLOW? No YESSpray Head CAL No YES Calibrate Spray Quit StartDilution CAL? No YES Calibrate FLOW? No YESSpray Head CAL No YES Container READY? Quit YESBrew C Xxxx Next Reset Brew a Xxxx Next ResetBrew B Xxxx Next Reset Brew COUNTERS? No YESTools SET Recipe TempsTemps YESEnter Asset #? Procedure to enter the asset numberAsset Number Press and release YES. The display will now readEnter Service #? Service NumberProcedure to enter the service number Service TOOLS?Test Switches Service ToolsProcedure to test components and outputs Following components can be individually tested Brew ValveP2883 36748 Test OUTPUTS? No YES Service TOOLS? No YESTest SWITCHES? No YES Right Hidden To Exit Nothing PressedDone QuencyFactory Defaults Factory Defaults No YESWill Replace ALL Brew Settings Are YOU SURE? No YES DefaultsTEA 2 Recipe Factory Default ValuesTEA 1 Recipe TEA 3 RecipeIced Coffee Recipe Factory Default ValuesHOT TEA Recipe NO-NAME Coffee RecipeTroubleshooting Probable Cause TroubleshootingProblem RemedyBrew valve Problem Probable Cause RemedyBrew switch Control BoardLong Problem Probable CauseAutomatic refill will not operate No water Tank drain clampCheck the wiring harness Automatic refill will not operate or Refill valveIf the left three digit number Water flows into tank continuously Refill valveTing To it is secureHeating Time TOO Long Connect a voltmeter across Problem is foundTank heaters Working order Move the strainer and check for Tion Strainer Direction of flow arrow must be Obstructions. Clear or replaceLime buildup Temperature probe Control Board Funnel tip 90 psi 138 and 620 kPa Brew volume adjustmentImproper water pressure Head for lime buildupFor proper extraction Brew cycle should be startedCoffee or tealeaves Water temperatureWeak beverage Type of paper filter Proper extractionPlumbing lines Water supply Tank heaters Remove and clean lime off tank heatersSolenoids Schematic Wiring Diagram ITCB-DV #%-!4#72. $!2!- I4#! I4# Schematic Wiring Diagram ITCB-C-DV
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