Welbilt Frymaster YUM K3000 Operation Manual page 19

2.2 Troubleshooting Fryers
2.2.1 Error Messages and Display Problems
PROBLEM
No display on the
controller.
Fryer repeatedly cycles
on and off when first
started with MLT
CYCL displayed.
Heat indicator is on
and blower is running,
but burner will not
ignite.
Fryer does not heat
after filtering.
Controller displays
Hot hi-1.
Controller displays Hi
temp.
Controller displays
RECOVERY
FAULT/ YES and
alarm sounds.
Controller display is in
wrong temperature
scale (Fahrenheit or
Celsius).
Controller displays
High limit
failure
disconnect
power.
Controller displays
TEMPR PROBE
FAILURE.
PROBABLE CAUSES
A. Controller not turned on.
B. No power to fryer.
C. Failed Controller or other
component
Fryer is in melt-cycle mode.
Blown fuse on interface board
or ignition module.
Drain valve is open.
Frypot temperature is more than
410ºF (210ºC) or, in CE countries,
395ºF (202ºC).
Frypot temperature is more than
40 ºF (4ºC).
Recovery time exceeded maximum
time limit.
Incorrect display option
programmed.
Failed high limit
Problem with the temperature
measuring circuitry including the
probe or damaged Controller
wiring harness or connector.
CORRECTIVE ACTION
A. Press the ON/OFF switch to turn the
Controller on.
B. Verify that the fryer is plugged in and that the
circuit breaker is not tripped.
C. Call your FAS for assistance.
This is normal when fryer is turned on with oil
temperature below 100 F° (38C°).
Contact your FAS for service.
Verify that the drain valve is fully closed.
Shut the fryer down immediately and call your
FAS for assistance.
Press the power button to turn off fryer and let
cool before returning power to fryer. If issue
continues call your FAS for assistance.
Clear error and silence the alarm by pressing the 
(YES) button. If the error continues call your FAS
for assistance.
Toggle between F° to C° by pressing the  button
until Product setup is displayed. Press  to scroll
to Tech Mode and press . Enter 1658. Press the
scan button. The Controller displays OFF. Turn
the Controller on to check temperature. If the
desired scale is not displayed, repeat.
Shut the fryer down immediately and call your
FAS for assistance.
Shut the fryer down and call your FAS for
assistance.
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