300
• VACON®
apfiff09 marine
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
F22
EEPROM checksum fault
Possible cause:
1. Parameter save fault
2. Faulty operation
3. Component failure
Correcting measures:
•
Should the fault re-occur, contact your local distributor.
F24
Counter fault
Possible cause:
1. Values displayed on counters are incorrect
Correcting measures:
•
Have a critical attitude towards values shown on counters.
F25
Microprosessor watchdog fault
Possible cause:
1. Faulty operation
2. Component failure.
Correcting measures:
•
Reset the fault and restart.
•
Should the fault re-occur, contact your local distributor.
F26
Start-Up prevention
Possible cause:
1. Start-up of the drive has been prevented.
2. Run request is ON when a new application is loaded to drive
Correcting measures:
•
Cancel prevention of start-up if this can be done safely.
•
Remove Run Request.
F29
Thermistor fault
The thermistor input of the option board has detected too high a motor temperature.
Possible cause:
1. Motor is overheated.
2. Thermistor cable is broken.
Correcting measures:
•
Check motor cooling and load
•
Check thermistor connection (If thermistor input of the option board is not in use, it has
to be short circuited).
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