Troubleshooting
‑51‑
No. Symptom Possible Cause Check Method Solution
5 "E014.1" (drive
overheat) is
detected
frequently.
The carrier frequency
is too high.
Check the set carrier frequency
(A5‑01) and effective carrier
frequency (A5‑02). If the values
are much higher than the
default values, reset the
parameters.
Reduce the set carrier frequency (A5‑
01) and effective carrier frequency
(A5‑02).
The fan is damaged
or the ventilation
duct is blocked.
Check whether the fan input
voltage confirms to the fan
specification.
Check whether the fan can
work normally and whether the
ventilation duct is blocked.
Adjust the fan input voltage to make it
work normally.
Replace the fan or clean the
ventilation duct.
The ambient
temperature is too
high.
Check whether the ambient
temperature is higher than
50°C.
Lower down the ambient
temperature, and then start the AC
drive.
Components
(thermistor or other
devices) inside the AC
drive are damaged.
Check the function of
components (thermistor or
other devices) on the control
board.
Contact Inovance for technical
support.
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