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Phenomenon Check items Solution
Odours are emitted • Whether there’s odour
source, such as furniture and
cigarette, etc.
• Eliminate the odour source.
• Clean the lter.
Air conditioner oper-
ates abnormally
• Whether there’s inter-
ference, such as thunder,
wireless devices, etc.
• Disconnect power, put back
power, and then turn on the unit
again.
Outdoor unit has
vapor
• Heating mode is turned on? • During defrosting under
heating mode, it may generate
vapor, which is a normal phe-
nomenon.
“Water owing” noise • Air conditioner is turned on
or turned o just now?
• The noise is the sound of re-
frigerant owing inside the unit,
which is a normal phenomenon.
Cracking noise • Air conditioner is turned on
or turned o just now?
• This is the sound of friction
caused by expansion and/or
contraction of panel or other
parts due to the change of
temperature.
Malfunction analysis
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