Welbilt Frymaster McDonald's LOV BIGLA30 Gen II Series Installation, Operation And Maintenance Manual page 82

7.2.2 Error Messages and Display Problems
Problem
M3000 display shows
hot-hi-1.
M3000 display shows
hELP HI-2
M3000 display shows
High limit
failure
DISCONNECT
POWER.
M3000 display shows
REMOVE
DISCARD.
M3000 display shows
RECOVERY
FAULT and alarm
sounds.
M3000 display is in
wrong temperature
scale (Fahrenheit or
Celsius).
M3000 display shows
TEMP PROBE
FAILURE.
M3000 display shows
HEATING
FAILURE.
M3000 displays
SERVICE
REQUIRED
followed by an error
message.
7.2.3 Filtration Problems
PROBLEM
Fryer filters after each
cook cycle.
MAINT FILTER
(Manual Filter) won't
start.
Probable Causes
Frypot temperature is more than 410ºF
(210ºC) or, in CE countries, 395ºF
(202ºC).
Frypot temperature has exceeded high
limit temperature and has physically
opened the safety device.
Failed high limit
A product cook is started that has a
different setpoint than the current vat
temperature.
Recovery time exceeded maximum time
limit.
Incorrect display option programmed.
Problem with the temperature measuring
circuitry including the probe or
damaged computer wiring harness or
connector.
Gas valve off, failed computer, failed
transformer, open high-limit thermostat.
An error has occurred which requires a
service technician.
PROBABLE CAUSES
Filter after setting incorrect.
Temperature too low.
Corrective Action
Shut the fryer down immediately and call
your FAS for assistance.
Shut the fryer down immediately and call
your FAS for assistance.
Remove power from the entire fryer
battery and call your FAS for assistance.
Remove and discard product. Press the
cook button under the display with the error
to remove the error. Reset the setpoint of
the vat before trying to cook product.
Clear error and silence the alarm by pressing
the  button. Maximum recovery time for gas
is 2:25. If the error continues call your FAS
for assistance.
Toggle between F° to C° by pressing and
holding andsimultaneously until
TECH MODE appears. Enter 1658.
The computer displays OFF. Turn the
computer on to check temperature. If the
desired scale is not displayed, repeat.
Shut the fryer down and call your FAS for
assistance.
It is normal for this message to appear
during startup if the lines have air in them.
Check that the gas valve is on. If it
continues, shut the fryer down and call your
FAS for assistance.
Press  (2 NO) to continue cooking and call
your FAS for assistance. In some cases,
cooking may not be allowed.
CORRECTIVE ACTION
Change or overwrite the filter after setting by
re-entering the filter after value in level two.
See section 4.13.5 on page 4-33.
Ensure fryer is at setpoint before starting
MAINT FILTER.
7-3