9 Daily Maintenance
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1) Cleaning Air Inlet and Outlet
A huge amount of heat is generated in the process of running the inverter. The inverter adopts a controlled forced-air
cooling method.
In order to maintain good ventilation, please check to make sure the air inlet and outlet are not blocked.
Clean the air inlet and outlet with soft brush or vacuum cleaner if necessary.
2) Internal Fan Maintenance
Fans inside the inverter are used to cool the inverter during operation. If the fans do not operate normally, the inverter
may not be cooled down and inverter efficiency may decrease. Therefore, it is necessary to clean the dirty fans and replace
the broken fans in time.
The operation procedure is as follows:
Step 1: Stop the inverter.
Step 2: Loosen four screws on the front cover of the wiring compartment with screwdriver T30.
Step 3: Open the wiring compartment.
M6
T30
FIG 8-1 Open the wiring compartment
Step 4: Cut off the cable ties that securing the fan connectors, press the hump of the latch hook, then unplug the cable
connection joint outwards.
Step 5: Loosen screws from the fan module, and pull out the fan module.
Items
Methods
Period
System clean
Check the temperature and dust of the inverter. Clean the inverter enclosure.
Check the humidity and dust of the environment.
Meanwhile check whether the filter function of the air inlet is ok.
Six months to a year (it
depends on the dust
contents in air)
Fans
Check whether there is fan warning using App.
Check whether there is any abnormal noise when the fan is turning.
Clean or replace the fans if necessary (see the following section).
Once a year
Cable entry
Check whether the cable entry is insufficiently sealed or the gap is excessively
large, and reseal the entry when necessary.
Once a year
Electrical
Connection
Check whether all cable are firmly in place.
Check whether a cable is damaged, especially the part contacting the metal
enclosure.
Six months to a year
