CHV180 series frequency inverter special for elevator Maintenance
.98.
Items Instructions Method
The screws of
the external
terminal
Check the screws are
loose or not.
Tight the screw driver/sleeve.
PCB board Dust and dirtiness.
Use dry and compressed air to clean
the dirtiness completely.
The fan
The accumulative time
of abnormal noise and
vibration is over 20
thousand hours.
1. Clean the foreign objections.
2. Chang the fan.
Electrolytic
capacitors
Check the color changes
or not and there is
peculiar smell.
Change the electrolytic capacitor.
Radiator Dust and dirtiness.
Use dry and compressed air to clean
the dirtiness completely.
Power
component
Dust and dirtiness.
Use dry and compressed air to clean
the dirtiness completely.
Connection
wires
Check to ensure the
internal connection
wires, plug-in parts and
the plug of the extension
card is available.
The screw driver and hands.
9.3 Replacement of wearing parts
Fans and electrolytic capacitors are wearing part; please change the wearing parts
periodically for a longterm, safe and smooth operation. The replacement periods of the
wearing parts are as follows:
◆Fan: Should be changed after 20,000 hours of utilization;
◆Electrolytic Capacitor: Should be changed after 30,000~40, 000 hours of utilization.
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