Danfoss VACON NXP IP00 - Page 155

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12.12.17 Fault 8 - System fault, Subcode S10 - Power unit communication (Trip)
Cause
Operation malfunction
Defective component
Troubleshooting
Reset the fault and start the drive again.
If the fault shows again, ask instructions from the local distributor.
12.12.18 Fault 8 - System fault, Subcode S11 - Power unit comm. (Measurement)
Cause
Operation malfunction
Defective component
Troubleshooting
Reset the fault and start the drive again.
If the fault shows again, ask instructions from the local distributor.
12.12.19 Fault 8 - System fault, Subcode S12 - System bus fault (slot D or E)
Cause
Error in system bus option board (OPTD1 or OPTD2) in slot D or E.
Operation malfunction
Defective component
Troubleshooting
Reset the fault and start the drive again.
If the fault shows again, ask instructions from the local distributor.
Check the cables and connections.
12.12.20 Fault 8 - System fault, Subcode S30 - OPTAF: STO channels are different from each other
Cause
The Safe Disable inputs are in different states. It is not allowed according to EN954-1, category 3. This fault occurs when the Safe
Disable inputs are in different states for more than 5 s.
Troubleshooting
Check the S1 switch.
Check the cabling to the OPTAF board.
If the fault shows again, ask instructions from the local distributor.
12.12.21 Fault 8 - System fault, Subcode S31 - OPTAF: Thermistor short circuit detected
Cause
Thermistor short circuit detected.
Troubleshooting
Correct the cable connections.
Check the jumper for the thermistor short circuit supervision, if the thermistor function is not used and the thermistor input is
short-circuited.
12.12.22 Fault 8 - System fault, Subcode S32 - OPTAF board has been removed
Cause
OPTAF board has been removed. It is not allowed to remove the OPTAF board once the software has recognized it.
Troubleshooting
The system requires a manual acknowledgement using System menu parameter P6.5.5 OPTAF Remove. Ask help from the local dis-
tributor.
AQ351737303996en-000201 / DPD00888 | 155Danfoss A/S © 2023.09
Specifications
VACON® NXP IP00 Drive Modules
Operating Guide