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A troubleshooting guide is provided to suggest probable causes and remedies for the most likely problems
encountered. If the problem remains after exhausting the troubleshooting steps, contact the Bunn-O-Matic
Technical Service Department.
• Inspection, testing, and repair of electrical equipment should be performed only by qualified service person-
nel.
WARNING – • Exercise extreme caution when servicing electrical equipment.
• Disconnect the grinder from the power source when servicing, except when electrical tests
are specified.
• Follow recommended service procedures
• Replace all protective shields or safety notices
PROBLEM
Grinder will not start.
PROBABLE CAUSE
1. No power or incorrect voltage.
2. Off/On/Start Switch.
3. Bag sensor.
REMEDY
(A) Plug-in the grinder.
(B) Check the voltage at the wall
outlet with a voltmeter. It must be
120 volts ac for two wire 120 volt
models or 230 volts ac for two wire
230 volt 50 Hz models or 240 volts
ac for two wire 240 volt 60 Hz
models.
(A) Press the switch to the
“START” position.
(B) Refer to Service - Off/On/Start
Switch for testing procedures. See
page 16.
(A) The receiving bag must be
placed on the tray screen and have
the back of the bag behind the dis-
pense chute to activate the sensor
switch.
TROUBLESHOOTING