Operating Instructions

Fault Codes
Digital Keypad
324 | 443
Reset condition
N/A
Record
Yes
Cause
Corrective Actions
Hardware failure
● Cycle the power.
● If Hd0 still exists, return to the factory for repair.
ID*
Display on LCD Keypad
Fault Name
Fault Descriptions
37
oc hardware error (Hd1)
oc hardware protection error when power is ON
Action and Reset
Action level
Hardware detection
Action time
Hd1 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 Hd1 still exists, return to the factory for repair.
ID*
Display on LCD Keypad
Fault Name
Fault Descriptions
40
Auto-tuning error (AUE)
Motor auto-tuning error
Action and Reset
Action level
Hardware detection
Action time
Immediately act
Fault treatment parameter
N/A
Reset method
Manual reset
Reset condition
Immediately reset
Record
Yes
Cause
Corrective Actions
Press “STOP” key during auto-tuning
Re-execute auto-tuning.
Incorrect motor capacity (too large or too
small) and parameter setting
● Check motor capacity and related parameters.
● Set the correct parameters, that is Pr.01-01–Pr.01-02.
● Set Pr.01-00 larger than the motor rated frequency.
Incorrect motor wiring
Check the wiring.