Vacon NX ACTIVE FRONT END II, Руководство по применению

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88 • Vacon arfiff05 Standard AFE-II
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
F41 IGBT temperature
IGBT inverter bridge over temperature protection has detected too high a short term overload
current.
Correcting measures:
1.
Check load.
F44 Device changed (Default param.)
Possible cause:
1.
Option board or power unit changed.
2. New device of different type or different rating from the previous one.
Correcting measures:
1.
Reset
2. Set the option board parameters again if option board was changed. Set converter
parameters again if power unit was changed.
F45 Device added (default param.)
Possible cause:
1.
Option board of different type added.
Correcting measures:
1.
Reset
2. Set the option board parameters again.
F50 4mA supervision
Possible cause:
1.
Current at the analogue input is below 4mA.
2. Signal source has failed
3. Control cable is broken or loose
Correcting measures:
1.
Check the current loop circuitry.
F51 External fault
Possible cause:
1.
Digital input fault.
Correcting measures:
1.
Remove fault situation from external device.
F52 Keypad communication
Possible cause:
1.
The connection between the control keypad or NCDrive and the AC drive is broken.
Correcting measures:
1.
Check keypad connection and possible keypad cable.