Bunn Dual TF BrewWISE DBC Troubleshooting Guide

BUNN® TECHNICAL TRAININGThermoFresh BrewWISE® DBC

TF BrewWISE® Training Manual10 Enter new number for each bypass valve, after doing CALIBRATE FLOW and measuring output. Enter n

Bunn-O-Matic Corporation11LEFT OZ 36.0QUIT YESCALIBRATE FLOW ?NO YESSPRAY HEAD CAL ?NO YESStep4:Toactivatetheowratecheck,presst

TF BrewWISE® Training Manual12Calibrating the Temperature Sensing ProbeNote: Calibrating the temperature sensing probe (thermistor) should be done whe

Unit ObjectivesUnit 3 Machine coMpositionGiven a realistic scenario in which the learner has access to the machine’s internal components the learner

TF BrewWISE® Training Manual14Machine CompositionExterior OverviewProduct Outlets and Removable Parts• User interface (1)• Display (mounted to the c

Bunn-O-Matic Corporation15Machine Function and OperationsMain Control BoardThe main control board is the brain of the brewer. In the Digital Brewer Co

TF BrewWISE® Training Manual16Heating SystemThe heating system consists of:• Water tank• Heating elements• Triacs• Contactor (3 phase only)• High

Bunn-O-Matic Corporation17Dispensing SystemThe dispensing system consists of:• Brew valve• Bypass valve• Sprayhead• Funnel• Funnel lock solenoids

Unit ObjectivesUnit 4 preventive MaintenanceGiven a realistic scenario depicting a machine requiring a preventive maintenance, the learner will be ab

Bunn-O-Matic Corporation19Preventive MaintenanceIn order to maintain proper operation and long service life BUNN recommends performing the preventive

IndexUnit 1: Installation Site Requirements ...

TF BrewWISE® Training Manual20 □ Clean any mineral build-up from the valve □ Reassembly is the opposite of disassemblyStep6:Cleanthetankttingst

Unit ObjectivesUnit 5 troubleshootingGiven a realistic scenario depicting a broken machine, the learner will be able to effectively troubleshoot, dia

TF BrewWISE® Training Manual22Troubleshooting and RepairService ToolsThe BrewWISE® brewer features on-board troubleshooting. Since all of the machine’

Bunn-O-Matic Corporation23Test SwitchesPress any of the input buttons on the membrane switch, the display will show which button is being pressed.Test

TF BrewWISE® Training Manual24Operator Fault MessagesThe following fault messages will appear on the display if the operator needs to take corrective

Bunn-O-Matic Corporation25Equipment will not operate. 1. No power or incorrect volt-age.Measure the voltage at the terminal blockandconrmthatitm

TF BrewWISE® Training Manual26Water will not heat or display shows HEAT-ING TIME TOO LONG, (Cont.)2. Tank Heaters Remove power from the brewer. Check

Bunn-O-Matic Corporation27Inconsistent beverage level in server. (Cont.)3. brew valve Test the Brew Valve. Turn the valve on for 30 seconds and collec

TF BrewWISE® Training Manual28Weak beverage. (Cont.) 5. Water temperature Empty the server, remove its cover, and place the server beneath the sprayhe

Bunn-O-Matic Corporation29Triac Map1. Left Funnel Lock2. Right Funnel Lock3. Left Transformer4. Left Dispense Valve5. Right Dispense Valve6. Left Bypa

Unit ObjectivesUnit 1 installationGiven a realistic scenario depicting a new site install, the learner will be able to install and setup the brewer f

Unit Objectives©Bunn-O-Matic Corporation, 2011. All rights reserved. Bunn-O-MaticCorporation-1400StevensonDrive- Springeld,IL627

TF BrewWISE® Training Manual4InstallationSite RequirementsSpace• Single TF BrewWISE - Counter able to support the weight of the machine, approximate

Bunn-O-Matic Corporation5Electrical InstallRefer to the electrical section of the machine’s data plate to select the proper power cord, plug and recep

TF BrewWISE® Training Manual6Units without a NeutralTheeld-switchableDualswillhaveaninternalstep-downtransformeranda2-polecontactorinad

Unit ObjectivesUnit 2 setupGiven a realistic scenario depicting a new site install, the learner will be able to install and setup the brewer for cust

TF BrewWISE® Training Manual8Setup and ProgrammingThe BrewWISE® software is the latest evolution of BUNN’s digital brewer control (DBC®) system. The s

Bunn-O-Matic Corporation9Level 1 ProgrammingPress and hold the right hidden switch until the display screen reads “Brew Lockout?” and release. This