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VACON® NXP IP00 Drive Modules
Operating Guide
12.12.31 Fault 8 - System fault, Subcode S41 - OPTAF: STO channels are not active when the ther-
mistor trip is active
Cause
Single hardware problem detected in the thermistor input.
Troubleshooting
Change the OPTAF board.
12.12.32 Fault 8 - System fault, Subcode S42 - OPTAF: Test pulse low is not detected on thermistor
Cause
Single hardware problem detected in the thermistor input.
Troubleshooting
Change the OPTAF board.
12.12.33 Fault 8 - System fault, Subcode S43 - OPTAF: Test pulse high is not detected on thermistor
Cause
Single hardware problem detected in the thermistor input.
Troubleshooting
Change the OPTAF board.
12.12.34 Fault 8 - System fault, Subcode S44 - OPTAF: STO channel 1 is not active, even if the ana-
log input supervision indicates
Cause
Single hardware problem detected in Safe Disable inputs or in the thermistor input.
Troubleshooting
•
Change the OPTAF board.
•
Change the control board.
12.12.35 Fault 8 - System fault, Subcode S45 - OPTAF: STO channel 2 is not active, even if the ana-
log input supervision indicates
Cause
Single hardware problem detected in Safe Disable inputs or in the thermistor input.
Troubleshooting
•
Change the OPTAF board.
•
Change the control board.
12.12.36 Fault 8 - System fault, Subcode S46 - OPTAF: Thermistor or analog input is not set, even if
STO is active
Cause
Single hardware problem detected in Safe Disable inputs or in the thermistor input.
Troubleshooting
•
Change the OPTAF board.
•
Change the control board.
12.12.37 Fault 8 - System fault, Subcode S47 - OPTAF: Board mounted in old NXP control board
with no safety hardware
Cause
OPTAF board mounted in old VACON
Troubleshooting
Change the control board to VB00561 revision H or newer.
12.12.38 Fault 8 - System fault, Subcode S48 - OPTAF: Mismatch between Therm Trip (HW) parame-
ter and jumper setting
Cause
The parameter Expander boards/ SlotB/ Therm Trip(HW) is set to OFF even though the jumper X12 is not cut.
Danfoss A/S © 2023.09
NXP control board, which is not equipped with the Safe Disable function.
®
Specifications
AQ351737303996en-000201 / DPD00888 | 157
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