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IItteemm MMeetthhoodd MMeetthhoodd
System clean
Check the temperature and dust of the con-
verter. Clean the converter enclosure if
necessary.
Check if the air inlet and outlet are normal.
Clean the air inlet and outlet, if necessary.
Six months to a year
(depend on the dust
contents in air.)
Cable entry
Check whether the cable entry is insuffi-
ciently 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, espe-
cially the part contacting the metal
enclosure.
Six months to a
year
9 Troubleshooting and Maintenance User Manual
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