Fault tracing
162
Warning messages generated by the drive
Warning Cause What to Do
ACS800 TEMP
(4210)
02.15 AW 1 bit 04
Drive IGBT temperature is excessive. Fault trip
limit is 100%.
Check ambient conditions.
Check air flow and fan operation.
Check heatsink fins for dust pick-up.
Check motor power against unit power.
BACKUP USED
(FFA3)
PC stored backup of drive parameters is
downloaded into use.
Wait until download is completed.
BATT FAILURE
(5581)
APBU branching unit memory backup battery
error caused by
- incorrect APBU switch S3 setting
- too low battery voltage.
With parallel connected inverters, enable
backup battery by setting actuator 6 of switch
S3 to ON.
Replace backup battery.
BC OVERHEAT
(7114)
Brake chopper overload Stop drive. Let chopper cool down.
Check parameter settings of resistor overload
protection function (see parameter group 27
BRAKE CHOPPER).
Check that braking cycle meets allowed limits.
Check that drive supply AC voltage is not
excessive.
BR OVERHEAT
(7112)
Brake resistor overload Stop drive. Let resistor cool down.
Check parameter settings of resistor overload
protection function (see parameter group 27
BRAKE CHOPPER).
Check that braking cycle meets allowed limits.
CALIBRA DONE
(FF37)
Calibration of output current transformers is
completed.
Continue normal operation.
CALIBRA REQ
(FF36)
Calibration of output current transformers is
required. Displayed at start if drive is in scalar
control and scalar fly start feature is on.
Calibration starts automatically. Wait for a
while.
COMM MODULE
(7510)
02.15 AW 1 bit 12
(programmable
Fault Function
30.18, 30.19)
Cyclical communication between drive and
master is lost.
Check status of fieldbus communication. See
chapter Fieldbus control, or appropriate
fieldbus adapter manual.
Check parameter settings:
- group 51 FIELDBUS DATA (for fieldbus
adapter)
- group 52 STANDARD MODBUS (for
Standard Modbus Link).
Check Fault Function parameters.
Check cable connections.
Check if master can communicate.
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