Wolf CSO24TE/S - Troubleshooting; Troubleshooting Guide - Error Codes E1-E14

TROUBLESHOOTING GUIDE
Error Code Error Possible Cause Test/Action
E1 EEPROM read error. Moisture on control
board.
1 Inspect for steam leaks.
2 Replace the control board if error persists.
E2 EEPROM writes error. Moisture on control
board.
1 Inspect for steam leaks.
2 Replace the control board if error persists.
E3 EEPROM status error. Moisture on control
board.
1 Inspect for steam leaks.
2 Replace the control board if error persists.
E4/F5 Control board MAIN-
DATA invalid.
Reload software error.
1 Turn the power to the unit off and then back on.
2 Replace the control board.
E5/F5 Control board MAIN-
DATA incompatible.
Reload process error.
1 Turn the power to the unit off and then back on.
2 Replace the control board.
E6/F5 Unit model
identification invalid.
1 Inspect the connector and jumper on relay board
X14-9 to X14-10 for loose or broken connection.
2 Turn the power to the unit off and then back on.
3 Replace the control board and relay board.
E7/F5 Relay board MAIN-
DATA invalid.
Reload software error.
1 Turn the power to the unit off and then back on.
2 Replace the relay board.
E8/F5 Relay board MAIN-
DATA incompatible.
Reload software error.
1 Turn the power to the unit off and then back on.
2 Replace the relay board.
E9/F0 Temperature sensor
short circuit.
Short circuit in the
temperature sensor or
control board.
1 Measure the resistance of the temperature sensor.
2 Replace the control board.
E10/F0 Temperature sensor
interruption.
Interruption in the
temperature sensor or
control board.
1 Measure the resistance of the temperature sensor.
2 Replace the control board.
E11/F0 Reference cavity
temperature short
circuit.
Replace the control board.
E12/F0 Interruption of the
reference cavity
temperature.
Replace the control board.
E13/F11 Cavity temperature
over temperature.
Temperature sensor,
relay error, or a
programming issue.
1 Verify the element relay is cycling.
2 Verify the temperature sensor resistance is
correct.
3 Verify the cavity temperature is exceeding the
maximum temperature.
4 Replace the control board and relay board.
E14/F8 Critical relay error. Software or
mechanical issue.
1 Turn the power to the unit off and then back on.
2 Replace the relay board and control board.
CSO (SWS #13543126)
Troubleshooting
TROUBLESHOOTING
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