Troubleshooting
Change the OPTAF board.
12.10.25 Fault 8 - System fault, Subcode S35 - OPTAF: Overvoltage
Cause
OPTAF supply voltage hardware problem detected.
Troubleshooting
Change the OPTAF board.
12.10.26 Fault 8 - System fault, Subcode S36 - OPTAF: Undervoltage
Cause
OPTAF supply voltage hardware problem detected.
Troubleshooting
Change the OPTAF board.
12.10.27 Fault 8 - System fault, Subcode S37 - OPTAF: Test pulse is not detected in both STO
channels
Cause
Single hardware problem detected in Safe Disable inputs.
Troubleshooting
•
Change the OPTAF board.
•
Change the control board.
12.10.28 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.
Specifications
Operating Guide | VACON® NXI Inverters FI9-FI14
AQ304441431479en-000101 / DPD00909| 139
Danfoss A/S © 2019.11
Summary of Contents for VACON NXP FI10
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