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Internal fault. Contact the Danfoss supplier or Danfoss service department.
Parameter value outside of minimum/maximum limits.
Internal fault. Contact the Danfoss supplier or Danfoss service department.
The option software in slot A is too old.
The option software in slot B is too old.
The option software in slot C1 is too old.
The option software in slot A is not supported/allowed.
The option software in slot B is not supported/ allowed.
The option software in slot C1 is not supported/ allowed.
Internal fault. Contact the Danfoss supplier or Danfoss service department.
Hardware reset of digital signal processor.
Motor-derived parameters not transferred correctly to the digital signal processor.
Power data not transferred correctly at power-up to the digital signal processor.
The digital signal processor has received too many unknown SPI telegrams. The AC drive also uses this fault code if
the MCO does not power up correctly. This situation can occur due to poor EMC protection or improper grounding.
Replace the control card.
Parameter value is outside its limits.
Option in slot A: Hardware incompatible with the control board hardware.
Option in slot B: Hardware incompatible with the control board hardware.
Option in slot C0: Hardware incompatible with the control board hardware.
Option in slot C1: Hardware incompatible with the control board hardware.
Internal fault. Contact the Danfoss supplier or Danfoss service department.
7.2.37 ALARM 39, Heat Sink Sensor
Cause
There is no feedback from the heat sink temperature sensor.
The signal from the IGBT thermal sensor is not available on the power card.
Troubleshooting
Check the ribbon cable between the power card and the gate drive card.
Check for a defective power card.
Check for a defective gate drive card.
AU275636650261en-000101 / 130R0334 | 707Danfoss A/S © 2022.12
Troubleshooting
VLT AutomationDrive FC 301/302
Programming Guide
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