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appearance indicates the air return filter needed to be washed.
Open the filter plate with screwdriver and take out the screen. Clean it
with suds and dry. Put the filter into the right place.
8. Troubleshooting
1). Compressor not refrigerating
Troubles
Possible reasons
Solution
No air after
turning on FAN
1. Fuse broken
Check and replace
2. FAN switch damaged
Check and replace
Not
refrigerating
1.Refrigerant filling not enough or
leaking
Check the leakage and fill in the
refrigerant
2.Temperature too high
Readjust the temperature control
button
3.Interior temperature sensor broken or
defog temperature is unable to reset
Check and replace
4.Compressor damaged
Check and replace
2). Air conditioner refrigerating not enough
Troubles
Possible reasons
Solution
Refrigerating
intermittently
1.Incorrect selection
Resetting air speed and temperature
2.HI switch protection: refrigerant
filling too much, condensation
blower damaged, condensation
filter dirty and blocked
Discharge the redundant refrigerant
slowly.
Check and replace the condensation
Clean the blower and condensation
core
Evaporator
air not
enough
1.Evaporator
filter
dust
screen
blocked or evaporator blade dirty
Clean the filter dust screen or
evaporator blade
2. Air conditioner channel blocked
Clean the channel
3.Evaporator blower fuse broken or
relay damaged
Check and replace
4.Evaportator blower damaged
Check and replace
5.Evaporator blower input too low
Check air conditioner circuit and
grounding