Wolf E Series General Information Manual page 64

Troubleshooting
Wall Oven Error Codes
Error Message
Code
5021 High Temperature During Clean
5022 High Temperature During Clean
5121 High Temperature Non-Clean
5122 High Temperature Non-Clean
5220 RCB Ambient Exceeds Temp
5320 MCB Ambient Exceeds Temp
6020 MCB RS485 Network Fault
6110 General Application Fault
6120 MCB CAN Bus Fault
6210 MCB Configuration Data Fault
6320 MCB Invalid Configuration Data
829345 REVA
WALL OVEN ERROR CODES
Priority Component
2 Upper/Single oven
2 Lower oven
2 Upper/Single oven
2 Lower oven
2
2
2
1
2
1
2
64
E Series Oven
service.subzero.com
Service Instruction
1 Check the oven temperature.
2 Check the RTD circuitry.
3 Replace the RTD.
4 Replace the relay board.
1 Check the oven temperature.
2 Check the RTD circuitry.
3 Replace the RTD.
4 Replace the relay board.
1 Check the oven temperature.
2 Check the RTD circuitry.
3 Replace the RTD.
4 Replace the relay board.
1 Check the oven temperature.
2 Check the RTD circuitry.
3 Replace the RTD.
4 Replace the relay board.
Relay board ambient temperature sensor is
above 178°F (81°C).
1 Check the temperature in the relay board
area.
2 Check cooling fan operation.
3 Replace the relay board.
Main control board ambient temperature sensor
is above 151°F (66°C).
1 Check the temperature in the relay board
area.
2 Check cooling fan operation.
3 Replace the relay board.
1 Check the RS485 circuitry.
2 Replace the main control board.
1 Reset the electrical supply.
2 Reseat the main control board (MCB) wire
connections.
3 Reseat the relay board wire connections.
4 Replace the MCB.
1 Reset the electrical supply.
2 Reseat the MCB wire connections.
3 Reseat the relay board wire connections.
4 Replace the MCB.
1 Reset the electrical supply.
2 Reseat the MCB wire connections.
3 Reseat the relay board wire connections.
4 Replace the MCB.
1 Reset the electrical supply.