User Manual of A90 Series Inverter
265
Table 0-1 Content of Regular Inspection
In order to make the inverter work properly in a long time, regular maintenance and
replacement must be performed regularly based on the service life of its internal
components. The service life of the components of the inverter varies depending on the
operating environment and conditions. The replacement period of the inverter in Table 0-2
is for reference only.
Table 0-2 Replacement Intervals of Inverter Components
Standard Replacement Interval (Year)
The operating conditions for replacement of the inverter components listed in the
above table are as follows:
Ambient temperature: Annual average 30°C .
Load factor: Less than 80%.
Operating time: less than 12 hours per day.
10.2 Instructions for Inverter Warranty
Our company will provide warranty services for the inverter in the following cases.
The warranty applies to the inverter body only. Our company is responsible for the
and control circuit
terminals
Check whether there is dust or
foreign objects.
Purge them with dry compressed
air (pressure: 4-6 kg/cm
2
).
PCB (printed circuit
board)
Check it for abnormal noise and
vibration. Check whether the
cumulative running time is up to
20,000 hours.
Check whether there is dust.
Purge them with dry compressed
air (pressure: 4-6 kg/cm
2
).
Check it for color changes, odor
and bubbles.
Replace the electrolytic capacitor.
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