Chapter 7 Maintenance and Troubleshooting
- 95 -
Fault
Code
Description Cause Troubleshooting Remarks
Er32
Speed
deviation
protection
1. Acceleration or
deceleration is too abrupt.
2. The motor angle
obtained through auto-
tuning is incorrect, causing
runaway.
3. The speed deviation
setting and time are too
small.
1. Increase the
acceleration or
deceleration time.
2. Perform angle auto-
tuning again.
3. Change the value of F5-
16 and F5-17.
Er33
Door close
limit switch
abnormal
This signal is not detected
during door close when
the limit switch is used in
distance control mode.
1. Check whether this
switch is installed. If not,
cancel the input signal
setting.
2. Check whether wiring of
the switch is correct.
3. Check whether the
switch is damaged
The controller
can run properly
based on the
encoder signals.
The controller
can reset
automatically
if the switch
becomes
normal.
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