HNC Electric HV950-1R5G1(B), User Manual

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8. 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.
8.1 Routine Maintenance
The inverter must be operated in the environment specified in the Section 2.1.
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 8-1 Daily Checking Items
Object
Check
Criterion
Items Methods
Environ
ment
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/s
2
(0.6g)
Gas Smell No strange smell
Inverte
r
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
8.2 Periodic Maintenance
You should check the inverter every 3 months or 6 months according to the
actual environment.
Note
：
1. Only trained personnel can dismantle the inverters for repairing or device
replacement;