Bunn ICB/TWIN, ITB/ITCB manual ICB Component Access

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COMPONENT ACCESS

This section provides procedures for testing and replacing various major components used in this brewer should service become necessary. Refer to Troubleshooting for assistance in determining the cause of any problem.

WARNING - Inspection, testing, and repair of electri- cal equipment should be performed only by qualified service personnel. The brewer should be unplugged when servicing, except when electrical tests are re- quired and the test procedure specifically states to plug in the brewer.

WARNING - Disconnect the brewer from the power source before the removal of any panel or the replace- ment of any component.

All components are accessible by the removal of the top cover, front access panel (ICB), or rear access panel (ITCB & ITB).

Refer to wiring diagrams at the back of this manual when reconnecting wires.

FIG. 10-1 ICB COMPONENT ACCESS

FIG. 10-2 ITB/ITCB COMPONENT ACCESS

FIG. 10-3 ICB TWIN COMPONENT ACCESS

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Contents ITB/ITCB ICB/TWIN BUNN-O-MATIC Commercial Product Warranty Introduction Troubleshooting Control BoardsProbable Cause TroubleshootingRefill Circuit Problem RemedyHeating Circuit Problem Probable Cause Remedy Brewing Circuit Problem Probable Cause Remedy Troubleshooting Brewing Circuit Problem Probable Cause RemedyDiagnostics Message Probable Cause RemedyComponent Access ICB Component AccessControl Board Membrane Switch Membrane Switch ContinuityEarly Brew Valve Exploded ViewBrew Valve Late Models Late Model Brew ValveDisassembly Refill ValvesRefill Valves Early ICB Early ItcbTank Heaters ICB Twin Tank HeatersLimit Thermostat Limit ThermostatsTemperature Probe Testing Temperature ProbeCalibration Calibrate Temp ProbeVoltage Selector Switch Test ProcedurePower Switch Test Procedure Removal and ReplacementSchematic Wiring Diagram iTCBA, iTCBB Schematic Wiring Diagram With Factory Sweetener Schematic Wiring Diagram ICB-DV Schematic Wiring Diagram ICB Twin Schematic Wiring Diagram iCBA, iCBB Schematic Wiring Diagram ICB Twin 230V Chassis Ground Term Schematic Wiring Diagram ITB
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