Danfoss Vacon OPTEA Operating Manual page 152

VACON® NXP Advanced Safety Options
Operating Guide
12.2.6 Fault Code 20 - Safety System, S4 - Output Stuck, Fault Number 3
Cause
• An output is short-circuited to GND.
Troubleshooting
• Check the cabling.
12.2.7 Fault Code 20 - Safety System, S4 - Output Stuck, Fault Number 4
Cause
• An output is short-circuited to voltage source (for example, +24 V).
Troubleshooting
• Check the cabling.
12.2.8 Fault Code 20 - Safety System, S6 - Power Supply, Fault Number Any
Cause
• Internal fault in the option board.
• Broken hardware.
Troubleshooting
• Reboot the AC drive.
• If the fault reoccurs, contact the nearest distributor.
12.2.9 Fault Code 20 - Safety System, S6 - Power Supply, Fault Number 9
Cause
• Encoder supply voltage overvoltage or undervoltage.
Troubleshooting
• Check the cabling for short circuits.
• Make sure that the encoder cable plug at the Advanced safety option board is inserted correctly (not off by one).
12.2.10 Fault Code 20 - Safety System, S6 - Power Supply, Fault Number 25
Cause
• Encoder supply voltage overvoltage or undervoltage.
Troubleshooting
• Check the cabling for short circuits.
• Make sure that the encoder cable plug at the Advanced safety option board is inserted correctly (not off by one).
12.2.11 Fault Code 20 - Safety System, S10 - Cross Check, Fault Number 1, 2
Cause
• Internal fault in the option board.
• Broken hardware.
Troubleshooting
• Reboot the AC drive.
• If the fault reoccurs, contact the nearest distributor.
12.2.12 Fault Code 20 - Safety System, S10 - Cross Check, Fault Number 3
Cause
• Incompatible software and/or hardware versions or a failed update.
Troubleshooting
• Update the option board firmware.
• If the fault reoccurs, contact the nearest distributor.
152 | Danfoss A/S © 2021.06
Fault Tracing
AQ319736045637en-000101 / DPD01798