Chapter 8 Maintenance
Many factors such as ambient temperature, humidity, dust, vibration, internal component aging, wear and
tear will give rise to the occurrence of potential faults. Therefore, it is necessary to conduct routine
maintenance to the drives.
Notes：
As safety precautions, before carrying out check and maintenance of the drive, please ensure that ：
The drive has been switched off;
The charging LED lamp inside the drive is off.
Use a volt-meter to test the voltage between terminals (+) and (-) and the voltage should be below 36V.
8.1Daily Maintenance
The drive must be operated in the environment specified in the Section 2.1. Besides, some unexpected
accidents may occur during operation. You should maintain the drive conditions according to the table below,
record the operation data, and find out problems in the early stage.
Table 8-1 Daily checking items
Thermometer and
hygrometer
-10℃~+40℃,
derating at 40℃~50℃
Stable vibration and proper
temperature
Operating
status
parameters
Temperature rise is less than 35℃
8.2Periodical Maintenance
Customer should check the drive every 3 months or 6 months according to the actual environment.
Notes：
1. Only trained personnel can dismantle the drive to replace or repair components;
2. Don't leave metal parts like screws or pads inside the drive; otherwise the equipment may be damaged.
General Inspection：
1. Check whether the screws of control terminals are loose. If so, tighten them with a screwdriver;
2. Check whether the main circuit terminals are properly connected; whether the mains cables are over
heated;
3. Check whether the power cables and control cables are damaged, check especially for any wear on the
cable tube;
4. Check whether the insulating tapes around the cable lugs are stripped;
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