Troubleshooting
Ask instructions from the local distributor.
12.10.93 Fault 41 - IGBT temperature, Subcode S1 - Calculated IGBT temperature too high
Cause
IGBT Inverter Bridge overtemperature protection has detected too high a short-term overload current.
Troubleshooting
•
Do a check of the loading.
•
Do a check of the motor frame size.
•
Make an identification run.
12.10.94 Fault 41 - IGBT temperature, Subcode S3 - Calculated IGBT temperature too high (long-
term protection)
Cause
IGBT Inverter Bridge overtemperature protection has detected too high a short-term overload current.
Troubleshooting
•
Do a check of the loading.
•
Do a check of the motor frame size.
•
Make an identification run.
12.10.95 Fault 41 - IGBT temperature, Subcode S4 - Peak current too high
Cause
IGBT Inverter Bridge overtemperature protection has detected too high a short-term overload current.
Troubleshooting
•
Do a check of the loading.
•
Do a check of the motor frame size.
•
Make an identification run.
12.10.96 Fault 41 - IGBT temperature, Subcode S5 - BCU: Filtered current too high for some time
Cause
IGBT Inverter Bridge overtemperature protection has detected too high a short-term overload current.
Specifications
Operating Guide | VACON® NX Inverters FI4-FI8
AQ299433367205en-000101 / DPD00908| 149
Danfoss A/S © 2019.07
Содержание VACON NX FI4
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