Data plate within +/- 10% | Bunn S/N SNG0033000 & UP guide

	TROUBLESHOOTING (cont.)
	Problem	Possible Cause		Troubleshooting Procedure
	Equipment will not operate.	1.	No power or incorrect voltage.	Measure the voltage at the terminal
				block and confirm that it matches
				the voltage specified on the brewer
				data plate within +/- 10%.
	Brew cycle will not start.	1.	No water	Check plumbing and shut-off
		2.	ON/OFF switch	valves
		2.	ON/OFF switch	Test the ON/OFF switch. Refer to the
				Test the ON/OFF switch. Refer to the
		3.	Brew switch	switch test procedures.
		3.	Brew switch	Test the BREW switch. Refer to the
				Test the BREW switch. Refer to the
		4.	Brew Valve	switch test procedures.
		4.	Brew Valve	Test the Brew valve. Refer to Testing
				Test the Brew valve. Refer to Testing
		5.	Electronic Control Board	Individual Components.
		5.	Electronic Control Board	Substitute a control board known to
				Substitute a control board known to
	Automatic refill will not operate	1.	No water	be in good working order.
	Automatic refill will not operate	1.	No water	Check plumbing and shut-off
	or display shows FILL TIME TOO			Check plumbing and shut-off
	LONG	2.	Water strainer	valves.

(A) Direction of flow arrow must be pointing towards direction of water flow.

(B) Remove the strainer and check for obstructions. Clear or replace

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Bunn S/N SNG0033000 & UP manual Equipment will not operate No power or incorrect voltage, Data plate within +/- 10%

Contents

Single TF DBC Phone 217 529-6601 FAX 217 BUNN-O-MATIC Commercial Product Warranty Table of Contents User Notices 37881.0002 Volt ac single phase Hz modelsElectrical HOOK-UP Electrical Requirements Models without power cord 230 volt ac Single phase, 60 Hz models Plumbing HOOK-UP CE RequirementsPlumbing Requirements Main ON/OFF Switch Batch Selector SwitchesON/OFF Switch Enable Brew Brew Switch Initial Setup Coffee Brewing Cleaning Glossary Programming Switches Programming Programming Switch DRIP-OUT Times Program Functions LevelRecipes Returns to a LevelContinues to D Continues to Program Flow DiagramReturn to a Programming the Brewer Units Setting Units of Measure Procedure for modifying units of measure This function allows the operator to set Brew Procedure for Setting the RecipeSET NEW Recipe Refer to SET Pulse Brew for description SET NEW RecipesSizes DONE? Procedure to program the coffee name Card Contains Recipe for Review RECIPES? Noyes Review RECIPES/MODIFY RECIPES/SET UP no Name Coffee Names Procedure for reviewing recipesNext To exit, press Next until the display reads That Brew OZ Setting or Adjusting Brew VOL- Umes Screen Bypass Review Recipes SET Pulse Brew Modifying pulse brew Range 1st on time off to 4 minutes NO-NAME Modifyshownext SET Pulse Brew SET Pulse Brew Easy Pulse Setup DONE? SET Pulse Brew Enter TimesTIMES? SET Preinfusion Batches DONE? Setup Complete Assign Recipe ? Enable ADS?Assign Recipes Screen Spray OZ/M SET TempSET Ready Calibrate Spray .. Press Brew to Start Bypass OZ/MCalibrate Flow Start Procedures to calibrate the bypass flow rateCalibrate Flow Procedure to set funnel detect Procedures to view/reset the brew countersBrew Counters Funnel Detect optional Service Tools Testing individual components outputsProcedure to test components outputs Brew Valve Nothing Pressed Frequency Factory Defaults Procedure to set factory defaults Troubleshooting Troubleshooting ProceduresScreen Displayed Possible Cause Temperature Press ON/OFF to terminate the cycle ON/OFF switch was pressed after the brew cycle was started Press ON/OFF to terminate the brew cycleTank Heater failure Triac Failure Temperature Sensor Probe Wires shorted to housing, or toWater shut off to brewer Broken or not making connection Equipment will not operate No power or incorrect voltage Brew switch Switch test proceduresBrew Valve Switch test procedures Data plate within +/- 10% Troubleshooting Problem Possible Cause Overflow Protection Switch When this condition occurs,With power removed from brewer Holding it in open state See above or boiling Limit Thermostat Heating Time TOO Long Troubleshooting Problem Inconsistent beverage level Strainer Server Pointing towards the brewerImproper water pressure 90 psi 138 and 620 kPa Consistently high or low beverage Brew Volume adjustment Water temperatureLevel in server For each brew cycle Troubleshooting Problem Possible Cause Weak beverage Remove and clean lime off tank heatersBrewer is making unusual noises Plumbing lines Water Supply Tank Heaters Schematic Wiring Diagram Single TF DBC Schematic Wiring Diagram Wire Single Phase Schematic Wiring Diagram Single TF DBC