Bunn WDG-2 - Manual (Page 13)

13
TROUBLESHOOTING (cont.)
Problem
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.
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.
1. No power
2. Faulty LED
LED will not come on when motor is
running.
Weigh control assembly leaking oil.
WDG-2
Incorrect amount of coffee. WDG-2
Probable Cause Remedy
10854 030300