Bunn LPG LPG-2E 用户手册

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页码 22
6
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 for 120 volt models, 100
volts for 100 volt models, and 230
volts for 230 volt models.
(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 14
Press the “Reset” button, located on
rear of the grinder. Listen carefully
for a “click”. This resets the motor
protection circuit and indicates that
an overload may have been encoun-
tered by the motor.  (An overload can
occur  when  something  other  than
coffee is inserted into the hopper for
grinding). Refer to
 Service - Circuit
Breaker for testing procedure. See
page 9
Refer  to 
Service  -  Timer  for  testing
procedures.  See page 16
Probable Cause
1. No power or incorrect voltage
2. Off/On/Start switch
3. Circuit Breaker (Not applicable on
Model LPG with capacitor)
4. Timer
TROUBLESHOOTING
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
personnel.
All electronic components have ac voltage and dc voltage potential on their terminals.  Shorting of
terminals or the application of external voltages may result in board failure.
Intermittent operation of electronic circuit boards is unlikely.  Board failure will normally be permanent.
If an intermittent condition is encountered, the cause will likely be a switch contact or a loose connection
at a terminal or crimp.
Make certain that all electrical connections are tight and isolated.
WARNING
Exercise extreme caution when servicing electrical equipment.
Turn power OFF when servicing, except when electrical tests are specified.
Follow recommended service procedures.
Replace all protective shields or safety notices.
27091 111598