Bunn POWDER AUTO FILL Fault List, Normal operation Powder Auto-Fill ready to, Dispense

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	FAULT LIST

Door Lamp	Fault

ON	Normal operation - Powder Auto-Fill ready to
	dispense

Flashes ON/OFF at 50% duty cycle	Low product level in Powder Auto-Fill hopper

Two flashes about every 2 seconds	CDS/Powder Auto-Fill probe circuit open

Three flashes about every 2 seconds	Powder Auto-Fill hopper not in place

Four flashes about every 2 seconds	CDS refill exceeded 5 minutes

OFF	Door not closed

7	29793 061599

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Contents Bunn Powder Auto Fill Initial SET-UP WarrantyIntroduction User Notices Operating Instructions Adjustments Recommended Daily Cleaning and Maintenance Tips CleaningRinse and dry each item thoroughly before reas- sembling Door not closed Fault ListNormal operation Powder Auto-Fill ready to DispenseProblem Probable Cause TroubleshootingRemedy ProblemCDS product tastes watery or sugary Problem Probable Cause Remedy Product overflows CDS hopper Control Board and Probe Procedures. SeeImproper adjustment of product Install a regulator if necessary toComponent Access ServiceSpacer Dust Seal Hopper Base Auger Drive ComponentsHopper Lid Retainer ClipAuger Drive Motor Diagrams and check wiring harnessMixing Chamber Frother and MIXING/WHIPPER ChamberVolts ac for 120 volt models Volts ac for 230 volt CE models Whipper MotorWhipper Motor Install dispense tip into the bottom of the whipper chamberIf voltage is present as described, proceed to #9 If voltage is present as described, proceed to #5Test Procedure Low Product Detect Remove the control board Instal the new control board using the four #6-32 keps nutsDisconnect the wires from the switch terminals TEST/SERVICE SwitchLocation Main Power ON/OFF Switch Main Power ON/OFF SwitchRefer to when reconnecting the wires Lamp Cord AssemblyDisconnect the lamp cord from the lamp cord connector Lamp Cord ConnectorRemove new nut and washer from new lamp cord connector Close the dispenser door Lamp HOLDER/SOCKET AssemblyTransformer TransformerPotentiometer PotentiometerHopper Level Indicator Hopper Level IndicatorHopper Switch Hopper SwitchDoor Switch Door SwitchPressure Regulator and Needle Valve AdjustmentsDispense Solenoid Valve Location Dispense Solenoid ValveBLK RED Wiring Diagrams Schematic Wiring Diagram PAFWiring Diagrams Schematic Wiring Diagram Pafa