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6-2
6.2 Troubleshooting
6.2.1 Controller and Heating Problems
Problem Probable Causes Corrective Action
Controller won't
activate.
A. Power cord is not plugged in or
circuit breaker is tripped.
A. Plug power cord in and verify
that circuit breaker is not
tripped.
B. Controller or power supply
component or interface board has
failed.
B. Call a FAS.
Fryer does not heat.
A. Drain valve is open.
A. A drain safety switch prevents
the heating element from being
energized if the drain valve is
not fully closed. Verify that the
drain valve is fully closed.
B. One or more other components
have failed.
B. Call a FAS.
Fryer repeatedly
cycles on and off
when first started.
Fryer is in melt-cycle mode.
This is normal. The default
operational mode is for the
elements to cycle on and off until
the temperature in the frypot
reaches 180ºF (82ºC). MLT-
CYCL will appear in the display
when in the melt-cycle mode. The
purpose of the melt-cycle is to
allow controlled melting of solid
shortening to prevent scorching
and flash fires or damage to the
element. To bypass melt cycle
press and hold the exit cool button.
When prompted, press yes.
Fryer does not heat
after filtering.
Drain valve is open.
This fryer is equipped with a drain
safety switch that prevents the
heating element from being
energized if the drain valve is not
fully closed. Verify that the drain
valve is fully closed.
Fryer heats until
high limit trips with
heat indicator ON.
Temperature probe or controller has
failed.
Turn fryer off and call a FAS.
Fryer heats until
high limit trips
without heat
indicator ON.
Contactor or controller has failed. Call a FAS.
Fryer stops heating
with heat indicator
ON.
The high limit thermostat or
contactor has failed.
Call a FAS.