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5)
remote control appearance
Ⅷ. Return air filter grill maintenance
Clean the return air filter grill regularly, usually once a month, but
environments.The return air filter grill can be observed by the naked eye whether is dirty or not.
If in the black or light gray appearance,please clean it.
When cleaning,take out the filter grill directly, clean with warm soapy water, dry, and put
back
.
Ⅸ. Common faults and troubleshooting methods
1. air conditioning not refrigeration
Common faults
phenomenon
Turn on the air
volume switch ,air
conditioning does
not supply air
Faults reason
1. wiring fuse damage
2. Air volume switch is damaged
Troubleshooting method
Check and replace
Check and replace
12
weekly
in dirty
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