Wolf CSO24TE/S - Troubleshooting - Error Codes E87-E106

Error Code Error Possible Cause Test/Action
2 Measure the resistance of the stepper motor.
3 Replace the stepper motor.
4 Replace the relay board.
E87/F4 Slider blocked. Slider path restricted
during operation.
1 Slider blocked with grease.
2 Slider mechanism is too tight. Replace the slider.
E88 Slider in stop position. Slider path restricted
during operation.
1 Slider blocked with grease.
2 Slider mechanism is too tight. Replace the slider.
E89/F18 Communication
interruption - inverter.
Not applicable to Wolf products.
E90/F18 The temperature
reading of the inverter
heat sink is defective.
Not applicable to Wolf products.
E91/F18 Temperature
measurement of
magnetron defective.
Not applicable to Wolf products.
E92/F18 Magnetron heating coil
defective.
Not applicable to Wolf products.
E93/F18 Defective microwave
anode distance
system.
Not applicable to Wolf products.
E94/F19 Inverter hardware
defective.
Not applicable to Wolf products.
E95/F18 Insufficient cooling of
magnetron.
Not applicable to Wolf products.
E97 Operating system:
Watchdog control
board.
Replace the control board.
E98 Operating system:
Watchdog relay board.
Replace the relay board.
E99 Operating system:
ASSERT control board.
Moisture on control
board.
1 Inspect the control board for moisture.
2 Replace the control board if the error continues.
E100 Operating system:
ASSERT relay board.
Moisture on relay
board.
1 Inspect the relay board for moisture.
2 Replace the relay board if the error continues.
E101/F30 No communication
with control board.
1 Inspect the connection between the relay board
and control board.
2 Replace the control board.
3 Replace the relay board.
E102/F30 No communication
with relay board.
1 Inspect the connection between the relay board
and control board.
2 Replace the relay board.
3 Replace the control board.
E103/F31 Operating system:
Communication
between relay board
and control board is
incompatible.
Software version of
relay board and control
board incompatible.
Replace the control board and relay board.
E104/F31 Operating system:
CORE incompatible.
Replace the control board and relay board.
E105 Operating system:
NVRAM-FLASH-PAGE
write error.
Moisture on control
board.
1 Inspect the control board for moisture.
2 Replace the control board if the error continues.
E106 Operating system:
NVRAM-FLASH-PAGE
delete error.
Moisture on control
board.
1 Inspect the control board for moisture.
CSO (SWS #13543126)
Troubleshooting
Troubleshooting Guide
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