TROUBLESHOOTING (cont.)

Problem

Probable Cause

LED will not come on when motor is

1.

No power

running.

2.

Faulty LED

 

Weigh control assembly leaking oil.

WDG-2

Incorrect amount of coffee. WDG-2

Remedy

Check timer and for loose connections.

Refer to Service - LED. See page 21.

Replace - See removal and replacement page 23

Check function list on setting the weight to be ground (page 8), if settings are ok replace weigh control assembly. See page 23 for removal and replacement.

WDG-2 DIGITAL DISPLAY CONTROL FAULT CODES

NOTE: If the grinder stops or fails to start, the green L.E.D. should be flashing. The number of flashes corresponds to the fault code. The fault will also show on the digital display.

FAULT

1

2

4

PROBLEM

Grinder on for three seconds without a weight increase.

Tare error.

Grinder motor shutting off in middle of grind.

PROBABLE CAUSE

Selected hopper ran out of whole bean coffee.

Foreign objects in motor grinding burrs causing motor to shut off.

Scale cannot find tare due to excess vibration.

Power or hopper selector switch changed during grind.

REMEDY

Fill selected hopper with whole bean coffee.

Clear motor gringing burs of all foreign objects and press the red "RESET" button on rear of motor.

Move grinder to solid, vibration free counter.

Do not change switches during grind.

13

10854 030300

 

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Bunn manual WDG-2 Digital Display Control Fault Codes Problem