Danfoss VACON NXP IP00 - Page 156

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12.12.23 Fault 8 - System fault, Subcode S33 - OPTAF: EEPROM error
Cause
OPTAF board EEPROM error (checksum, not answering and so on).
Troubleshooting
Change the OPTAF board.
12.12.24 Fault 8 - System fault, Subcode S34 - OPTAF: Voltage problem
Cause
OPTAF supply voltage hardware problem detected.
Troubleshooting
Change the OPTAF board.
12.12.25 Fault 8 - System fault, Subcode S35 - OPTAF: Overvoltage
Cause
OPTAF supply voltage hardware problem detected.
Troubleshooting
Change the OPTAF board.
12.12.26 Fault 8 - System fault, Subcode S36 - OPTAF: Undervoltage
Cause
OPTAF supply voltage hardware problem detected.
Troubleshooting
Change the OPTAF board.
12.12.27 Fault 8 - System fault, Subcode S37 - OPTAF: Test pulse is not detected in both STO chan-
nels
Cause
Single hardware problem detected in Safe Disable inputs.
Troubleshooting
Change the OPTAF board.
Change the control board.
12.12.28 Fault 8 - System fault, Subcode S38 - OPTAF: Test pulse is not detected in STO channel 1
Cause
Single hardware problem detected in Safe Disable inputs.
Troubleshooting
Change the OPTAF board.
Change the control board.
12.12.29 Fault 8 - System fault, Subcode S39 - OPTAF: Test pulse is not detected in STO channel 2
Cause
Single hardware problem detected in Safe Disable inputs.
Troubleshooting
Change the OPTAF board.
Change the control board.
12.12.30 Fault 8 - System fault, Subcode S40 - OPTAF: ASIC trip ETR is not set, even if STO channel 1
is active
Cause
Single hardware problem detected in Safe Disable inputs.
Troubleshooting
Change the OPTAF board.
Change the control board.
AQ351737303996en-000201 / DPD00888156 | Danfoss A/S © 2023.09
Specifications
VACON® NXP IP00 Drive Modules
Operating Guide