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128 · vacon
Fault codes
Tel. +358 (0)201 2121 • Fax: +358 (0)201 2121 205
9
F31 IGBT
temperature
IGBT Inverter Bridge overtemperature protection has detected too high a short term overload
current.
Possible cause:
-
Too high a load.
-
Identification run has not been made, which causes the motor to start undermagnetised.
Correcting measures:
-
Check the load.
-
Check the motor size.
-
Make an Identification Run.
F32 Fan
cooling
Possible cause:
-
Cooling fan of the AC drive does not start when ON command is given.
Correcting measures:
-
Contact your local distributor.
F37 Device
change
Option board or power unit is changed.
Possible cause:
-
New device of same type and rating.
Correcting measures:
-
Reset. The device is ready for use.
F38 Device
added
Option board is added.
Correcting measures:
-
Reset. The device is ready for use. Old board settings will be used.
F39 Device
removed
Possible cause:
-
Option board is removed.
Correcting measures:
-
Reset. The device is no longer available.