Water shut off to brewer, Probe | Bunn S/N SNG0033000 & UP specs

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

Contents

Phone 217 529-6601 FAX 217 Single TF DBC BUNN-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 cord Plumbing Requirements CE RequirementsPlumbing HOOK-UP Brew Switch Main ON/OFF SwitchBatch Selector Switches ON/OFF Switch Enable Brew Coffee Brewing Initial Setup Cleaning Glossary Programming Programming Switches Programming 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 Measure SET 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 name Review RECIPES? Noyes To exit, press Next until the display reads That Review RECIPES/MODIFY RECIPES/SET UP no Name Coffee NamesProcedure for reviewing recipes Next Screen Brew OZ Setting or Adjusting Brew VOL- Umes Review Recipes Bypass Modifying pulse brew Range 1st on time off to 4 minutes SET Pulse Brew SET Pulse Brew NO-NAME Modifyshownext SET Pulse Brew Easy Pulse Setup TIMES? SET Pulse Brew Enter TimesDONE? Batches DONE? SET Preinfusion Setup 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 Counters Brew Valve Service ToolsTesting individual components outputs Procedure to test components outputs Frequency Nothing Pressed Procedure to set factory defaults Factory Defaults Possible Cause TroubleshootingTroubleshooting Procedures Screen Displayed Press ON/OFF to terminate the cycle Temperature Triac Failure ON/OFF switch was pressed after the brew cycle was startedPress ON/OFF to terminate the brew cycle Tank Heater failure Broken or not making connection Temperature Sensor ProbeWires shorted to housing, or to Water shut off to brewer Data plate within +/- 10% Equipment will not operate No power or incorrect voltageBrew switch Switch test procedures Brew Valve Switch test procedures See above or boiling Troubleshooting Problem Possible CauseOverflow Protection Switch When this condition occurs, With power removed from brewer Holding it in open state Heating Time TOO Long Limit Thermostat Troubleshooting Problem 90 psi 138 and 620 kPa Inconsistent beverage level StrainerServer Pointing towards the brewer Improper water pressure For each brew cycle Consistently high or low beverage Brew Volume adjustmentWater temperature Level in server Plumbing lines Water Supply Tank Heaters Troubleshooting Problem Possible Cause Weak beverageRemove and clean lime off tank heaters Brewer is making unusual noises Schematic Wiring Diagram Single TF DBC Schematic Wiring Diagram Wire Single Phase Schematic Wiring Diagram Single TF DBC

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

Models: S/N SNG0033000 & UP

Screen Displayed

Possible Cause

Water shut off to brewer

broken or not making connection.

probe.

1. Temperature Sensor Probe

wire(s) shorted to housing, or to

each other.

or connected to each other.