Bunn G9WD Grinder User Manual


 
11
TROUBLESHOOTING (cont.)
Problem
Probable Cause
Remedy
Each motor is equipped with a
temperature and current overload
protection feature which will im-
mediately shut off the motor when
an overload has occurred. Check
the grinder for obstructions. Refer
to Service - Motor for testing pro-
cedures.
Refer to Service - Relay for testing
procedures.
(A) The receiving bag must be placed
on the tray screen and have the back
of the bag behind the dispense chute
to activate the sensor switch.
(B) Refer to Service - Bag Sensor
Switch for testing and adjustment
procedures.
(A) Place the switch in the “OFF”
upper position.
(B) Refer to Service - Off/On/Start
Switch for testing procedures.
Refer to Service - Timer for testing
procedures.
Refer to Service - Relay for testing
procedures.
(A) Remove bag from under the
dispense chute.
(B) Refer to Service - Bag Sensor
Switch for testing procedures.
Grinder will not start. (Continued)
Grinder will not shut off.
5. Motor
6. Relay
7. Bag sensor or Cup Sensor
1. Off/On/Start switch
2. Timer
3. Relay
4. Bag Sensor or Cup Sensor
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