KITO Harrington RY Series, Owner'S Manual

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Table 7-4 "Minor Failure/ Warning Error" Type Summary
LED Display Name
EF Forward/reverse command simultaneous input
to EF1 to EF7 External error (Input terminal S1 to S7)
Hbb Inputting a safety signal
HCA Current warning
oH Heat sink overheat
Ov Main circuit overvoltage
CrST Reset during driving command input
Uv Main circuit low voltage
Table 7-5 "Operation Error" Type Summary
LED Display Name
oPE02 Invalid parameter setting range
Table 7-6 "Error" Display Details and Remedies
LED Display Error name
CF
Control error
Torque limit took 3 seconds or more in succession during
deceleration/stop
Cause Measure
Load inertia is high.
- Adjust the parameters used among C1-02, -04, -06, -08 (deceleration
time).
- Lower the frequency command to the minimum output frequency for
deceleration, and then turn off the driving command.
LED Display Error name
CPF03
EEPROM failure
EEPROM does not function
CPF06
EEPROM data error
Data stored in the EEPROM is erroneous.
Cause Measure
Control circuit is damaged.
Turn on/off the power supply to check operation.
-If the error occurs again, replace the VFD
LED Display Error name
CPF07
Terminal board communication error
Failure with the terminal board
Cause Measure
Failure between the terminal board and
control board -Turn off the power supply of the VFD and re-connect the control circuit
terminal.