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Self Diagnostics Failure Code Explanation
This oven monitors its operation and displays a Failure Code in Digital Display Window when a problem occurs.
What to do when a Failure Code appears:
Unplug the oven and wait more than ten seconds before reconnecting.
If normal operation does not resume, follow the next chart.
CODE PROBLEM WHAT TO DO
F01 Too high temperature of
exhausted air
The oven shuts off automatically. Disconnect the power cord from the
wall socket. The oven beeps continuously and resets for operation when
cool. Move the oven to the cooler location. If the problem persists, call
service agent.
F03 Incoming line voltage too
high.
This oven is designed
to operate with 208 or
230 - 240 Volts AC.
Check line voltage and that voltage adjustment is matched.
(Refer to page 5 for Power Source Voltage Adjustment.)
Line Volt.
208 V
230 - 240 V
Connector Color
White
Black
F04 Incoming line voltage too
low.
If the line voltage is other than 208 or 230 - 240 V, consult electrician to
check outlet.
F05 Defective memory IC If the problem persists, call service agent. The oven will operate even if
Failure Code appears, just not as designed. Call service agent. If the
problem occurs during memory heating, press Stop/Reset pad. Then
other memory program and manual heating will be possible.
F33-34 Defective thermistor
circuit
The oven shuts off automatically. If the problem persists, call service
agent.
F44 Defective control panel The oven shuts off automatically. If the problem persists, call service
agent.
F81-82 Defective relay circuit If the problem persists, call service agent. The oven will operate even if
Failure Code appears, just not as designed. Call service agent. Press
Stop/Reset pad and try again.
F86-87 Defective relay circuit The oven shuts off automatically. If the problem persists, call service
agent.
Note: Above codes shown in Digital Display Window do not indicate all possible failures on the unit.