Troubleshooting
•
Check the load.
•
Check the motor frame size.
•
Make an identification run.
•
Check brake resistor resistance.
12.10.98 Fault 42 - Brake resistor overtemperature, Subcode S1 - Internal brake chopper
overtemperature
Cause
Brake resistor overtemperature protection has detected too heavy braking.
Troubleshooting
•
Reset unit.
•
Set the deceleration time longer.
•
Dimensioning of the brake chopper is not correct.
•
Use external brake resistor.
12.10.99 Fault 42 - Brake resistor overtemperature, Subcode S2 - Brake resistance too high (BCU)
Cause
Brake resistor overtemperature protection has detected too heavy braking.
Troubleshooting
•
Reset unit.
•
Set the deceleration time longer.
•
Dimensioning of the brake chopper is not correct.
•
Use external brake resistor.
12.10.100 Fault 42 - Brake resistor overtemperature, Subcode S3 - Brake resistance too low (BCU)
Cause
Brake resistor overtemperature protection has detected too heavy braking.
Troubleshooting
•
Reset unit.
•
Set the deceleration time longer.
•
Dimensioning of the brake chopper is not correct.
•
Use external brake resistor.
Specifications
Operating Guide | VACON® NXI Inverters FI9-FI14
AQ304441431479en-000101 / DPD00909| 157
Danfoss A/S © 2019.11
Summary of Contents for VACON NXP FI10
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