8
Service Failure Mode
Runaway Temperature
Incorrect Micro ID
Incorrect EEPROM Checksum
Open Temperature Probe
Shorted Temperature Probe
Max Unlock Time Exceeded (Motor Door Latch)
Max Unlock Attempts.Exceeded (Motor Door Latch)
Max Lock Time Exceeded (Motor Door Latch)
Max Lock Attempts.Exceeded (Motor Door Latch)
Motor Door Latch Failed During Clean Operation
Inter Processor Communications Failure (Motor Door Latch)
Failure Mode Definition
Front Panel LED
Failure Description
1 2 3 4 5 6 7
X
X
XX
X
X
X
X
X
X
X
X
XX
XX
XX
X
X
X
X
X
LED Definitions
1 - Bake 5 - Clean
2 - Convection Bake 6 - Lock
3 - Convection Roast 7 - Remove Racks
4 - Broil
Runaway Temperature. Check the resistance of the oven temperature probe, it should be between
1050 & 1100 ohms. If good, replace electronic control board.
Incorrect micro ID. Replace electronic control board.
Incorrect EEPROM Replace electronic control board.
Chechsum.
Open temperature probe Check the resistance of the oven temperature probe, it should be between
1050 &1100 ohms. If good, replace electronic control board.
Shorted temperature probe Check the resistance of the oven temperature probe, it should be between
1050 &1100 ohms. If good, replace the electronic control board.
Max unlock Time Set the oven up for a clean cycle. Does the latch motor turn?
exceeded (motor No. Check the voltage applied to the latch motor. If line to neutral,
door latch) replace latch mechanism. If zero, replace electronic control board.
Yes. Check the phase and lock switches. They should be closed with the
door locked and open with a door unlocked. If the switches check good
replace the electronic control board.
Max unlock Set the oven up for a clean cycle. Does the latch motor turn?
Attempts exceeded No. Check the voltage applied to the latch motor. If line to neutral,
(motor door latch) replace latch mechanism. If zero, replace electronic control board.
Yes. Check the phase and lock switches. They should be closed
with the door locked and open with a door unlocked. If the switches check
good replace the electronic control board.