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HORECA GASTRO GRINDER
Alarm Record
TRIAC GRIND-
ER X OUT OF
WORK
GRINDER X
FAN BLOCKED
Alarm Record
GRINDER X
FAN TOO SLOW
CLEAN GRIND-
ER X
Cause
• Triac not
interconnected
(optical coupler
defective).
• Grinder’s plug
not connected.
• Fuse defective.
• Triac defective.
• Capacitor
defective.
• Temperature
sensor in the
motor winding
defective (0A)
• Circuit board
failure.
• Foreign object
is blocking the
fan.
• Plug at proces-
sor board not
connected.
• Fan defective.
Cause
• Fan runs
with reduced
frequency for
more than
three seconds.
• Foreign object
is blocking the
fan.
• Cleaning coun-
ter has reached
the pre-set
alarm limit.
• Counter was
not reset after
last cleaning
process.
Correction
Service technician:
• Test exploring coil on
power board. If applicable
change power board.
User:
• Press PROG-button. The
other grinder can be used
again.
• Check grinder’s plug for
correct position.
• Check capacitors‘ connec-
tions and correct position.
• Interchange the grinders‘
plugs at the power board
to determine the cause of
the malfunction. (grinder
or board)
Service technician:
• Interchange capacitors
and test
• Check optical coupler (dis-
assemble power board)
• Check triac (disassemble
power board)
• Check fan for foreign
objects.
• Interchange the fans‘
plugs at the processor
board to determine the
cause of the malfunction.
(fan or socket)
• Exchange fan.
Correction
• Check fan for foreign
objects.
• Interchange the fans‘
plugs at the processor
board to determine the
cause of the malfunction.
(fan or socket)
• Exchange fan.
• Press PROG-button. Grind-
ers are not blocked.
• Clean the grinder (with
GRINDZ or unscrew,
vakuum, brush)
• Reset cleaning counter in
software user menu (chap-
ter 9) or
• Set cleaning limit higher
in software service menu
(chapter 6) or
• Switch off the cleaning
alarm in software service
menu (chapter 6).
• Recommendation: adjust
the cleaning alarm to the
weekly amount of shots
taken for a regular remind-
er to clean the grinder.
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