12.10.23 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.
12.10.24 Fault 8 - System fault, Subcode S34 - OPTAF: Voltage problem
Cause
OPTAF supply voltage hardware problem detected.
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.
Specifications
Operating Guide | VACON® NX Inverters FI4-FI8
AQ299433367205en-000101 / DPD00908
132 | Danfoss A/S © 2019.07
Summary of Contents for VACON NX FI4
Page 1: ...Operating Guide VACON NX Inverters FI4 FI8...
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