LOV
™
Generation II Technical Reference
21
M3000 Troubleshooting
Problem Probable Causes Corrective Action
No display on computer.
A. Computer not turned on.
B. No power to the fryer.
C. Power switch turned off.
D. Loose fuse holder.
E. Computer has failed.
F. Damaged computer wiring
harness.
G. Power supply component or
interface board has failed.
A. Press the ON/OFF switch to turn
the computer on.
B. This fryer may have two cords: a
computer power cord and a main
power cord. If the computer cord
is not plugged in, the computer will
not activate. Verify computer power
cord is plugged in and that circuit
breaker is not tripped.
C. Some fryers have a rocker power
switch inside the cabinet below the
computer. Ensure the switch is
turned on.
D. Ensure fuse holder is screwed in
properly.
E. Swap the computer with a computer
known to be good. If computer
functions, replace the computer.
F. Swap with a harness known to
be good. If computer functions,
replace the harness.
G. If any component in the power
supply system (including the
transformer and interface board)
fail, power will not be supplied to
the computer and it will not function.
Computer locks up. Computer error.
Remove and restore power to the
computer.
M3000 display shows
filter busy
A. Another fi ltration cycle is still in
process.
B. Computer error.
C. Computer error.
A. Wait until the previous fi ltration
cycle ends to start another fi ltration
cycle.
B. A computer has an error. Using
the fi lter menu, try to perform
a
FILL VAT FROM DRAIN
PAN on each vat (see Chapter 4
of the BIELA14 IO manual). Only
computers with errors can perform
this function with a fi lter busy error.
Computer should clear and return
to normal operation once complete.
C. If fi lter busy is still displayed with
no activity, ensure the fi lter pan is
empty and remove and restore ALL
power to the fryer.
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