Bunn manual Weigh Control Assembly WDG-2

Page 23

SERVICE (cont.)

L.E.D

P749

Location:

The L.E.D is located on the front of the grinder just above hopper selector switch.

Test Procedure:

1.Unplug the grinder.

2.Remove the wire nuts from both sets of wires.

3.With a voltmeter set to read DC volts. Attach the positive (+) lead to the black and pink wires and the negative (-) lead to the gray wires.

4.Connect grinder to the power supply.

5.Initiate a grind cycle. Voltage should be approxi- mately 2 volts DC.

If the voltage is present as described the L.E.D. is operating properly.

If the voltage is not present as described proceed to #6.

6.After initiating a grind cycle in step #5 the volt- age was approximately 5 volts DC. Replace the L.E.D. If the voltage is approximately 0 volts re- fer to wiring diagrams and check the wiring har- ness.

Removal and Replacement:

1.Remove upper front inspection panel.

2.Disconnect PNK and GRY wires from L.E.D.

3.Using a 5/16" open end wrench remove nut on back of front housing securing L.E.D. Remove L.E.D and discard.

4.Install new L.E.D through front of grinder hous- ing and secure with nut.

5.Connect PNK and GRY wires from L.E.D. Refer to wiring diagram on pages 24 & 25.

Weigh Control Assembly - WDG-2

P941

Location:

The weigh control assembly is located behind the lower front inspection panel just under and behind the funnel rails.

23

10854 030300

 

Image 23
Contents BUNNDG-2 Contents #20545.0000 User Notices#05876.0000 Electrical Requirements Off/On/Start SwitchHopper Selector Switch Dispense Timer DG-2WDG-2 Initial SET-UP DG-2 Initial SET-UPSpecial SET-UP for Flavored Coffee Beans 10854 Coffee Grinding CleaningTimer Adjustment DG-2 AdjustmentsBurr Adjustment Coffee Weight/Timer Settings Problem Probable Cause Grinder will not start TroubleshootingRemedy ProblemWDG-2 Digital Display Control Fault Codes Problem Component Access ServiceService Bunn MotorsMotor Replace if excessively worn or damaged Motor Circuit AssemblyTimer DG-2 Disconnect grinder from the power source Weigh Control Board WDG-2 P930 10854 Fuse FanWeigh Control Assembly WDG-2 Funnel Rails Mounting Bracket Service 60 HZ Wiring Diagrams Schematic Wiring Diagram DG2Wiring Diagrams Schematic Wiring Diagram WDG2