Chapter 6 Fault Code Information and Maintenance|
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6-2 Revision 2016/03, 6ELE, V1.14
Name
Fault Descriptions Corrective Actions
Overload 1
Internal electronic overload trip
1. Check for possible motor overload.
2. Check electronic thermal overload setting.
3. Use a higher power motor.
4. Reduce the current level so that the drive output current
does not exceed the value set by the Motor Rated
Current Pr.07.00.
Overload 2
Motor overload.
1. Reduce the motor load.
2. Adjust the over-torque detection setting to an appropriate
setting (Pr.06.03 to Pr.06.05).
CC (current clamp)
Return to the factory.
OV hardware error
GFF hardware error
OC hardware error
External Base Block.
(Refer to Pr. 08.07)
1. When the external input terminal (B.B) is active, the AC
motor drive output will be turned off.
2. Deactivate the external input terminal (B.B) to operate
the AC motor drive again.
Over-current during acceleration
1. Short-circuit at motor output: Check for possible poor
insulation at the output lines.
2. Torque boost too high: Decrease the torque
compensation setting in Pr.07.02.
3. Acceleration Time too short: Increase the Acceleration
Time.
4. AC motor drive output power is too small: Replace the
AC motor drive with the next higher power model.
Over-current during deceleration
1. Short-circuit at motor output: Check for possible poor
insulation at the output line.
2. Deceleration Time too short: Increase the Deceleration
Time.
3. AC motor drive output power is too small: Replace the
AC motor drive with the next higher power model.
Over-current during constant speed
operation
1. Short-circuit at motor output: Check for possible poor
insulation at the output line.
2. Sudden increase in motor loading: Check for possible
motor stall.
3. AC motor drive output power is too small: Replace the
AC motor drive with the next higher power model.
External Fault
1. When multi-function input terminals (MI3-MI9) are set to
external fault, the AC motor drive stops output U, V and
W.
2. Give RESET command after fault has been cleared.
Internal EEPROM can not be
programmed.
Return to the factory.
Internal EEPROM can not be
programmed.
Return to the factory.
Internal EEPROM can not be read.
1. Press RESET key to set all parameters to factory setting.
2. Return to the factory.
Internal EEPROM can not be read.
1. Press RESET key to set all parameters to factory setting.
2. Return to the factory.
U-phase error
Return to the factory.
V-phase error
W-phase error
OV or LV
Temperature sensor error