Description of Fault Codes
‑62‑
Cause
Troubleshooting
Solution
1. The ambient temperature
is too high.
2. The servo drive is
restarted repeatedly to reset
the overload fault.
Measure the ambient
temperature and view the
fault records (set H0b.33 and
view H0b.34) to check
whether an overload fault/
warning is reported (E620.0,
E630.0, E650.0, E909.0,
E920.0, E922.0).
● Improve the cooling
conditions of the servo
drive to lower down the
ambient temperature.
● Change the fault reset
method. After overload
occurs, wait for 30s before
reset. Increase the
capacities of the servo
drive and servo motor.
Increase the acceleration/
deceleration time and
reduce the load.
3. The fan is damaged.
Check whether the fan
works properly during
operation.
Replace the servo drive.
4. The servo drive is installed
in a wrong direction and the
clearance between servo
drives is improper.
Check whether the servo
drive is installed properly.
Install the servo drive
according to the installation
requirements.
5. The servo drive is faulty.
The fault persists even
though the servo drive is
restarted five minutes after
power‑off.
Replace the servo drive.
Note
When E620.0 occurs, stop the servo drive for at least 30s before further operations.
● E640.1: Flywheel diode overtemperature
Description:
The temperature of the flywheel diode reaches the fault threshold defined by
H0A.18.
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