A-TS
83
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9. Maintenance
Many factors such as ambient temperature, humidity, dust, vibration,
internal component aging, and wear and tear will give rise to the
occurrence of potential faults. Therefore, it is necessary to conduct
routine maintenance to the inverters.
Note
:
As safety precautions, before carrying out check and maintenance of the
inverter, please ensure that:
The inverter has been switched off;
The charging LED lamp in the inverter is off, which can be seen after
removing the cover.
9.1 Routine Maintenance
The inverter must be operated in the environment specified in the Section
4.1. Besides, some unexpected accidents may occur during operation.
The user should perform the routine maintenance to ensure a good
operation environment according to the table below. A good way to
prolong the lifetime of the inverter is to record the routine operation data,
find out and clear faults in the early stage.
Table 9-1 Daily Checking Items
Object
Check
Criterion
Items
Methods
Environment
Temperature ,
humidity
Thermometer,
hygrometer
-10°C ~+40°C. Derate if at
40°C ~50°C
Dust, water and
leakage
Observe
No sign of leakage
Vibration
Vibration meter
Less than 5.9m/s2 ( 0.6g )
Gas
Smell
No strange smell
Inverter
Heat
Touch the
casing
Normal air flow
Sound
Listen
No strange sound
Output current
Clamp meter
Within rated range
Output voltage
Voltage meter
Within rated range
Motor
Heat
Touch
No overheat
Sound
Listen
No strange sound
