Troubleshooting - Adleepower AP2G3-137 Instruction Manual

10. TROUBLESHOOTING

Display Cause of fault
symbol message contents
Discharge LED
No display
extinguished
Power device failure
PF01
during acceleration
Power device failure
PF02 during constant
frequency operation
Power device failure
PF03
during deceleration
Power device failure
PF04
during stand-by
EEPROM access
EEP1
error
EEPROM check-
EEP2
sum error
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Check point
Review the power system.
Check that MCCB has been
turned on or no poor contact.
The acceleration time is too
short.
Boost voltage too high
Check the motor is locked or
the load is too heavy
Disconnecting the output
wiring U.V.W.
Restart (Run) the inverter
check for the same message
Check for sudden change in
load
Check that the ambient
temperature is too high
The load GD
Power supply voltage is too
high
Check around the noise
source.
Power supply voltage is too
high.
Rework with previous
process. Check for the same
message.
78
Suggested remedy
Turned on or
Replace MCCB
Increase the
acceleration time
Reduce CD21
contents
Reduce the load
factor
Repair
Eliminate sudden
change in load
Reduce the ambient
temperature
Set the deceleration
2
is excessive time suitable for load
2
GD
Reduce th voltage
within specified range
Remove the cause
Reduce the voltage
Repair