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Fault
code
Fault name
15
Motor stalled
16
Motor over
temperature
17
Motor underload
22
EEPROM checksum
fault
25
Microcontroller
watchdog fault
27
Back EMF
protection
Table 15. Fault codes
Possible cause
Motor stall protection has tripped.
Motor overheating has been detected by
frequency converter motor temperature
model. Motor is overloaded.
Motor underload protection has tripped. Check motor and load, e.g. for
Parameter save fault
faulty operation
component failure
faulty operation
component failure
Drive has detected that the magnetized
motor is running in start situation.
A rotating PM-motor
46
Correcting actions
Check that the motor is able to
rotate freely.
Decrease the motor load.
If no motor overload exists,
check the temperature model
parameters.
broken belts or dry pumps.
Contact the distributor near to
you.
Reset the fault and restart.
If the fault re-occur, contact the
distributor near to you.
Make sure that there is no
rotating PM-motor when the
start command is given.
31-00108—07
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