Bunn ITCB-DV manual Tank heaters, Problem is found, Connect a voltmeter across, Working order

Page 70

TROUBLESHOOTING (cont.)

 

 

 

 

PROBLEM

 

PROBABLE CAUSE

 

REMEDY

Water will not heat or display shows

 

4. Tank heaters

 

Remove power from the brewer.

HEATING TIME TOO LONG.

 

 

 

Check for continuity between the

(Continued)

 

 

 

white terminal of the terminal block

 

 

 

 

(or red terminal on 208/240V mod-

 

 

 

 

els) and the black wire on the relay

 

 

 

 

on the control board (Toggle switch

 

 

 

 

must be in 120/208-240V position

 

 

 

 

on 208V and 240V models). There

 

 

 

 

should be a low OHM reading. If

 

 

 

 

not continuity is present, check for

 

 

 

 

a wiring or switch problem (consult

 

 

 

 

wiring schematic), then replace the

 

 

 

 

tank heater if no wiring or switch

 

 

 

 

problem is found.

 

 

5. Control Board

 

Remove power from the brewer.

 

 

 

 

Connect a voltmeter across the

 

 

 

 

tank heater. Reapply power to the

 

 

 

 

brewer and refer to testing outputs

 

 

 

 

on page 56. If the voltage measured

 

 

 

 

when the tank heater is turned on

 

 

 

 

is very low or zero, then substitute

 

 

 

 

a control board know to be good

 

 

 

 

working order.

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Contents Post Office BOX SPRINGFIELD, Illinois Phone 217 529-6601 FAX 217BUNN-O-MATIC Commercial Product Warranty Dual Voltage Machine IntroductionVolt Machine User Notices 0 7IRE .$  #29710.0009 Ptional &IELD 7IRING0 7IRE .$  #29710.0010 Conductor for earth ground Dual Volt Toggle Switch Electrical HOOK-UPElectrical Requirements A separate conductor For earth groundPlumbing Hook UP Plumbing RequirementsTank Drain 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 Programming SwitchesProgramming Section 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 LockoutProgramming the Brewer Programming Functions Level 2 Procedure for setting LanguageSET Language Procedure for setting the Units UnitsProcedure for reviewing the recipes Review Recipes Modify recipe, set up standard recipesModify Show and Next 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 +Brew OZ Dilute Dely Done +Batches DONE? 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 BrewBrew Read Dilute DelyRead Select Method 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?Coffee recipe to be modified NO-NAME Coffee Modify Show NextSCREEN, press and release the ON/OFF button 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 Pulse Brew Coffee Recipes Drip TimeRepeat steps 8 through Using -and +, adjust the brew and faucet tem- perature Master TempUsing -and +, adjust the ready temperature Procedure to set ready temperature Range 2 to 20 F 1 10 CReady Degree 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 orderMove the strainer and check for TionStrainer 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 extractionSolenoids Remove and clean lime off tank heatersPlumbing lines Water supply Tank heaters Schematic Wiring Diagram ITCB-DV #%-!4#72. $!2!- I4#! I4# Schematic Wiring Diagram ITCB-C-DV

ITCB-DV specifications

The Bunn ITCB-DV is a commercial coffee brewer known for its efficiency, versatility, and excellent brewing capabilities. Designed for high-demand environments like restaurants, cafes, and other food service establishments, this machine stands out due to its innovative features and technologies that enhance user experience and brewing quality.

One of the main features of the Bunn ITCB-DV is its dual voltage system, allowing it to operate efficiently at both 120V and 240V. This adaptability makes it suitable for a variety of locations without compromising performance. The brewer is designed to brew up to 3.8 gallons of coffee per hour, making it perfect for busy settings where speed and volume are critical.

The ITCB-DV is equipped with a unique Smart Brew technology that ensures precise brewing temperatures and times. This feature guarantees optimal extraction of coffee flavors, resulting in a consistently delicious and aromatic brew. Additionally, the brewer incorporates a digital brew counter that helps users track daily coffee production, allowing for better inventory management.

With an adjustable brew basket and multiple batch sizes, the Bunn ITCB-DV caters to diverse brewing needs. Whether preparing single servings or larger quantities, the brewer accommodates various coffee preferences. The machine is also compatible with Bunn's airpot systems, ensuring that fresh coffee is easily accessible and can be served quickly to customers.

In terms of construction, the Bunn ITCB-DV is built to last. It features a stainless steel exterior that not only adds a sleek appearance but also ensures durability against the rigors of commercial use. Furthermore, the brewer has a front-loading design, which allows for easy access and maintenance, minimizing downtime.

The ITCB-DV is also energy-efficient, featuring a low-wattage option that reduces electricity consumption without sacrificing brewing quality. This characteristic not only helps in cutting down operational costs but also appeals to eco-conscious businesses aiming to reduce their environmental footprint.

Overall, the Bunn ITCB-DV is a reliable and feature-rich coffee brewing solution tailored for high-volume environments. Its combination of advanced technologies, user-friendly design, and robust construction makes it an excellent choice for businesses committed to delivering exceptional coffee experiences. With this brewer, operators can ensure that their customers always enjoy top-quality coffee, brewed with precision and care.
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