Bunn S/N SNG0033000 & UP manual Water shut off to brewer, Broken or not making connection, Probe

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TROUBLESHOOTING (cont.)

Screen Displayed

FILL TIME TOO

LONG

CHECK WATER

SUPPLY

TEMP SENSOR

OUT OF RANGE

CHECK FOR BAD

CONNECTIONS

TEMP SENSOR

OUT OF RANGE

CHECK WIRE FOR

SHORTS

Possible Cause

Troubleshooting Procedures

1.

Water shut off to brewer

Check water supply shut-off

2.

Inlet Solenoid Valve failure

Service required

3.

Control Board Failure

Service required

1. Temperature Sensor Probe wire(s)

Check wire and connection of both

broken or not making connection.

black and white wires of temperature

 

probe.

1. Temperature Sensor Probe

Check to confirm that wire(s) are

wire(s) shorted to housing, or to

not pinched between two surfaces

each other.

or connected to each other.

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35879.1 071405

 

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Contents Phone 217 529-6601 FAX 217 Single TF DBCBUNN-O-MATIC Commercial Product Warranty Table of Contents User Notices Electrical HOOK-UP Volt ac single phase Hz models37881.0002 230 volt ac Single phase, 60 Hz models Electrical Requirements Models without power cordPlumbing Requirements CE RequirementsPlumbing HOOK-UP Brew Switch Main ON/OFF SwitchBatch Selector Switches ON/OFF Switch Enable BrewCoffee Brewing Initial SetupCleaning Glossary Programming Programming SwitchesProgramming Switch Recipes Program Functions LevelDRIP-OUT Times Continues to D LevelReturns to a Return to a Program Flow DiagramContinues to Programming the Brewer Procedure for modifying units of measure Units Setting Units of MeasureSET NEW Recipe Procedure for Setting the RecipeThis function allows the operator to set Brew Sizes DONE? SET NEW RecipesRefer to SET Pulse Brew for description Card Contains Recipe for Procedure to program the coffee nameReview RECIPES? Noyes To exit, press Next until the display reads That Review RECIPES/MODIFY RECIPES/SET UP no Name Coffee NamesProcedure for reviewing recipes NextScreen Brew OZ Setting or Adjusting Brew VOL- UmesReview Recipes BypassModifying pulse brew Range 1st on time off to 4 minutes SET Pulse BrewSET Pulse Brew NO-NAME ModifyshownextSET Pulse Brew Easy Pulse Setup TIMES? SET Pulse Brew Enter TimesDONE? Batches DONE? SET PreinfusionSetup Complete Assign Recipes Enable ADS?Assign Recipe ? SET Ready SET TempScreen Spray OZ/M Calibrate Flow Bypass OZ/MCalibrate Spray .. Press Brew to Start Calibrate Flow Procedures to calibrate the bypass flow rateStart Funnel Detect optional Procedure to set funnel detectProcedures to view/reset the brew counters Brew CountersBrew Valve Service ToolsTesting individual components outputs Procedure to test components outputsFrequency Nothing PressedProcedure to set factory defaults Factory DefaultsPossible Cause TroubleshootingTroubleshooting Procedures Screen DisplayedPress ON/OFF to terminate the cycle TemperatureTriac Failure ON/OFF switch was pressed after the brew cycle was startedPress ON/OFF to terminate the brew cycle Tank Heater failureBroken or not making connection Temperature Sensor ProbeWires shorted to housing, or to Water shut off to brewerData plate within +/- 10% Equipment will not operate No power or incorrect voltageBrew switch Switch test procedures Brew Valve Switch test proceduresSee above or boiling Troubleshooting Problem Possible CauseOverflow Protection Switch When this condition occurs, With power removed from brewer Holding it in open stateHeating Time TOO Long Limit ThermostatTroubleshooting Problem 90 psi 138 and 620 kPa Inconsistent beverage level StrainerServer Pointing towards the brewer Improper water pressureFor each brew cycle Consistently high or low beverage Brew Volume adjustmentWater temperature Level in serverPlumbing lines Water Supply Tank Heaters Troubleshooting Problem Possible Cause Weak beverageRemove and clean lime off tank heaters Brewer is making unusual noisesSchematic Wiring Diagram Single TF DBC Schematic Wiring Diagram Wire Single Phase Schematic Wiring Diagram Single TF DBC
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