CHV180 series frequency inverter special for elevator Maintenance
.97.
9. Maintenance
● Maintenance must be performed according to designated maintenance methods.
● Only qualified technicians are allowed to carry out the maintenance.
● Disconnect the power supply before maintenance. Wait for 10 minutes before
maintenance.
● Do not touch the components or devices on PCB board directly. Otherwise inverter
may be damaged by electrostatic.
● Check to ensure the tightness of the screws after the maintenance.
9.1 Daily maintenance
Daily maintenance should be performed for the avoidance of the fault and insurance of
the normal operation and long usage. See the following table for the detailed
maintenance:
Items Instructions
Temperature/Humility
Check to ensure the ambient temperature is among
0℃~50℃ and the humility is among 20~90%.
Oil fog and dust
Check to ensure there is no oil fog, dust and condensation in
the inverter.
The inverter
Check to ensure that there is abnormal heating and vibration
in the inverter.
The fan
Check to ensure the fan works normally and there is no
foreign objection in the inverter.
Input power supply
Check to ensure the voltage and frequency of the input
power supply is in the allowed range.
The motor
Check to ensure there is no abnormal vibration, heating,
noise and phase loss on the motor.
9.2 Periodic maintenance
The user has to check the inverter periodically (within half year) for the avoidance of fault
and stable and longterm high-performance running. See the following table for the
detailed check:
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