Operating Instructions

Fault Codes
Digital Keypad
322 | 443
Reset condition
Manual
When Pr.06-73=1 or 2, uC is a “Fault”. You must reset manually.
Record
Immediately reset
Active level
When Pr.06-71=1 or 2, uC is a “Fault”, and the fault is recorded.
Cause
Corrective Actions
Motor cable disconnection
Troubleshoot the connection between the motor and the load.
Improper setting of low-current protection
Reset Pr.06-71, Pr.06-72 and Pr.06-73 to proper settings.
The load is too low
● Check the load status.
● Check if the motor capacity matches the load.
ID*
Display on LCD Keypad
Fault Name
Fault Descriptions
31
EEPROM read error (cF2)
Internal EEPROM cannot be read
Action and Reset
Action level
Firmware internal detection
Action time
cF2 acts immediately when the drive detects the fault
Fault treatment parameter
N/A
Reset method
Manual reset
Reset condition
Immediately reset
Record
Yes
Cause
Corrective Actions
Internal EEPROM cannot be read
● Press the RESET key or reset the parameter to the default setting, if cF2 still exists, return to
the factory for repair.
● Cycle the power, if cF2 error still exists, return to the factory for repair.
ID*
Display on LCD Keypad
Fault Name
Fault Descriptions
33
U-phase error (cd1)
U-phase current detection error when power is ON
Action and Reset
Action level
Hardware detection
Action time
cd1 acts immediately when the drive detects the fault
Fault treatment parameter
N/A
Reset method
Power-off
Reset condition
N/A
Record
Yes
Cause
Corrective Actions
Hardware failure
● Cycle the power.
● If cd1 still exists, return to the factory for repair.