Danfoss Vacon NXP Applications Manual page 135

Fault codes
F67 Fieldbus communication fault on slot E
Possible cause:
- The data connection between the fieldbus Master and the fieldbus board is broken.
- Watchdog pulse is missing from PLC, if Control Slot Selector is 0, or set for slot E.
Correcting measures:
- Check installation.
- If installation is correct contact your local distributor.
F68 D7 Voltage or frequency fault
This monitors Grid frequency and voltage for synchronization function.
Possible cause:
- OPT-D7 measurements are not within limits.
F69 OPT-D7 Missing
OPT-D7 board is not present for the function that is requested.
Possible cause:
Correcting measures:
F70 Supply Voltage
Supply voltage is not inside of set hysteresis. Not to be confused with OPT-D7 protections.
F71 LCL Temperature
LCL Temperature has reached the warning limit.
Possible cause:
Correcting measures:
F72 License
Licence has not been given or licence key is wrong
Possible cause:
Correcting measures:
24-hour support: +358 (0)201 212 575 • Email: vacon@vacon.com
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