Wolf CSO24TE/S General Information Manual page 90

Troubleshooting
Troubleshooting Guide
Error Code Error
E87/F4 Slider blocked.
E88 Slider in stop position.
E89/F18 Communication
interruption - inverter.
E90/F18 The temperature
reading of the inverter
heat sink is defective.
E91/F18 Temperature
measurement of
magnetron defective.
E92/F18 Magnetron heating coil
defective.
E93/F18 Defective microwave
anode distance
system.
E94/F19 Inverter hardware
defective.
E95/F18 Insufficient cooling of
magnetron.
E97 Operating system:
Watchdog control
board.
E98 Operating system:
Watchdog relay board.
E99 Operating system:
ASSERT control board.
E100 Operating system:
ASSERT relay board.
E101/F30 No communication
with control board.
E102/F30 No communication
with relay board.
E103/F31 Operating system:
Communication
between relay board
and control board is
incompatible.
E104/F31 Operating system:
CORE incompatible.
E105 Operating system:
NVRAM-FLASH-PAGE
write error.
E106 Operating system:
NVRAM-FLASH-PAGE
delete error.
827703 REV B.1
Possible Cause Test/Action
2
3
4
Slider path restricted
1
during operation.
2
Slider path restricted
1
during operation.
2
Not applicable to Wolf products.
Not applicable to Wolf products.
Not applicable to Wolf products.
Not applicable to Wolf products.
Not applicable to Wolf products.
Not applicable to Wolf products.
Not applicable to Wolf products.
Replace the control board.
Replace the relay board.
Moisture on control
1
board.
2
Moisture on relay
1
board.
2
1
2
3
1
2
3
Software version of Replace the control board and relay board.
relay board and control
board incompatible.
Replace the control board and relay board.
Moisture on control
1
board.
2
Moisture on control
1
board.
90
CSO (SWS #13543126)
Measure the resistance of the stepper motor.
Replace the stepper motor.
Replace the relay board.
Slider blocked with grease.
Slider mechanism is too tight. Replace the slider.
Slider blocked with grease.
Slider mechanism is too tight. Replace the slider.
Inspect the control board for moisture.
Replace the control board if the error continues.
Inspect the relay board for moisture.
Replace the relay board if the error continues.
Inspect the connection between the relay board
and control board.
Replace the control board.
Replace the relay board.
Inspect the connection between the relay board
and control board.
Replace the relay board.
Replace the control board.
Inspect the control board for moisture.
Replace the control board if the error continues.
Inspect the control board for moisture.
service.subzero.com