Bunn POWDER AUTO FILL service manual Problem, Remedy, CDS product tastes watery or sugary

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TROUBLESHOOTING (cont.)

PROBLEM

Product level in CDS is lower than level Probe - CDS running; Powder Auto-Fill door lamp flashes two times

PROBABLE CAUSE

1.Powder Auto-Fill not pulled com- pletely forward.

2.CDS level probe misaligned.

REMEDY

1.Check that the Powder Auto-Fill is pulled completely forward until the guide rails roll into the indented po- sition.

2.Position the CDS level probe so that it is located in the notch of the CDS hopper and touching the con- tact protruding from the front of the CDS cooling drum mount.

Product level in CDS is lower than level Probe - CDS running; Powder Auto-Fill door lamp flashes three times

Product level in CDS is lower than level Probe - CDS running; Powder Auto-Fill door lamp flashes four times

1.Powder Auto-Fill hopper not in- stalled.

2.Powder Auto-Fill hopper not in- stalled properly.

1. Refill time exceeded five minutes.

1.Install the Powder Auto-Fill hop- per.

2.Reposition the Powder Auto-Fill hopper.

Check that the SERVICE switch is released or reset by opening and closing the Powder Auto-Fill door.

The CDS product tastes "watery" or "sugary"

Powder Auto-Fill dispenses dry prod- uct only - dry powder build-up in mixing and whipper chambers

1.Improper adjustment of product mix ratio.

1.Powder Auto-Fill not connected to water source.

2.Water source turned off.

3.Water line obstructed.

Adjust the product mix ratio per in- structions in Powder Auto-Fill Ad- justment. See page 5.

1.Connect the Powder Auto-Fill to a

20to 90 psi (138 to 620 kPa)water source.

2.Turn water source on.

3.Remove obstruction.

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29793 011500

 

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Contents Bunn Powder Auto Fill Warranty Initial SET-UPIntroduction User Notices Operating Instructions Adjustments Cleaning Recommended Daily Cleaning and Maintenance Tips Rinse and dry each item thoroughly before reas- sembling Normal operation Powder Auto-Fill ready to Fault ListDispense Door not closedProblem Probable Cause TroubleshootingProblem RemedyCDS product tastes watery or sugary Problem Probable Cause Remedy Improper adjustment of product Procedures. SeeInstall a regulator if necessary to Product overflows CDS hopper Control Board and ProbeComponent Access ServiceHopper Lid Auger Drive ComponentsRetainer Clip Spacer Dust Seal Hopper BaseAuger 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 nutsTEST/SERVICE Switch Disconnect the wires from the switch terminalsLocation Main Power ON/OFF Switch Main Power ON/OFF SwitchRefer to when reconnecting the wires Lamp Cord AssemblyLamp Cord Connector Disconnect the lamp cord from the 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
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