Ver0.1
Page
24
of
53
Display
Fault Name
Possible Causes
Solutions
Err28
User-defined
fault 2
1. The user-defined fault 2 signal is input via DI
2. The user-defined fault 2 signal is input via VDI.
Reset the fault.
Err29
Accumulative
power-on time
reached
The accumulative power-on time reaches the setting
of F8-16.
Clear the record by performing parameter initialization
(set FP-01 to 2).
Err30
Off load fault
Offload when it’s running.
Check the connection between motor and load.
Err31
PID feedback
lost during
running
The PID feedback is lower than FA-26.
Check the PID feedback signal or set FA-26 to a
proper value.
Err40
Quick current
limit
1. The load is too heavy or the rotor is locked.
2. The drive is of too small power class.
1: Reduce the load, or check the motor, or check the
machine whether it is locking the rotor.
2: Select a drive of higher power class.
Err41
Motor
switchover fault
during running
The current motor is switched over via a terminal
during running of the AC drive.
Switch over the motor only after the AC drive stops.
