Bunn G9-2T HD - Manual (Page 8)

8
TROUBLESHOOTING (cont.)
Problem
Grinder will not start.
Remedy
(A) Plug-in the grinder.
(B) Check the voltage at the wall
outlet with a voltmeter. It must
be 120 volts ac.
(A) Momentarily press the Off/On/
Start switch to the “START” (lower)
position.
(B) Refer to Service - Off/On/Start
switch for testing procedures. See
page 11.
Refer to Service - Timer for
testing procedures. See page 17.
Refer to Service - Relay for testing
procedures. See page 14.
Remove the cover plate located on
the right side of the housing. Press
the red “Reset” button. Listen
carefully for a “click”. This resets the
motor protection circuit and indi-
cates that an overload may have
been encountered by the motor. (An
overload can occur when something
other than coffee is inserted into the
hopper for grinding.) Refer to
Service Motor for disassembly
procedures. See page 12.
Refer to Service - Motor for testing
procedures. See page 12.
(A) Place the switch in the “OFF/
STOP” position.
(B) Refer to Service - Off/On/Start
Switch for testing procedures. See
page 11.
Refer to Service - Timer for testing
procedures. See page 17.
Probable Cause
1. No power or incorrect voltage
2. Off/On/Start switch
3. Timer
4. Relay
5. Motor overload protector
6. Motor
1. Off/On/Start switch
2. Timer
Grinder will not shut off.