VM1000B
- 56 -
Fault code
Fault type
Reason
Solution
Err26
Running time arrival
1. The running time reaches the
setting value.
1. Clear the record through the
parameter initialization function.
Err27
User-defined fault 1
1. The user-defined fault 1
signal is input DI terminal.
1. Check the input DI terminal or
the function of user-defined fault 1.
Err28
User-defined fault 2
1. The user-defined fault 2
signal is input DI terminal
1. Check the input DI terminal or
the function of user-defined fault 2.
Err29
On-power arrival
time
1. The accumulative power-on
time reaches the setting value.
1. Clear the record through the
parameter initialization function.
Err31
PID feedback loss
during running
1. PID feedback signal is
abnormal.
2. PID actual feedback is less
than feedback loss detection.
1. Check the PID feedback signal.
2. Correctly set parameters about
PID.
Err40
With-wave current
limit fault
1. The load is too heavy or
lockedrotor occurs on the motor.
2. The AC Drive model is of too
small power.
1. Reduce the load and check the
motor.
2. Select the AC Drive of higher
power.
E098/
E099
Internal
communication
failure
1. The line of keypad
communication is abnormal.
2. Control board and keypad is
abnormal.
1. Replace the keypad
communication line.
2. Ask for technical service.
Table 6-1-1 Faults and solutions
