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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 out-
let 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 dispense chute
to activate the sensor switch.
TROUBLESHOOTING
10191 011500
