15
Phenomenon
Check items
Solution
Odours are
emitted
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’s odour source,
such as furniture and cigarette,
etc.
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Air conditio-
ner operates
abnormally
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’s interference,
such as thunder, wireless
devices, etc.
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r, put back
power, and then turn on the
unit again.
“
:
a t e r
noise
Ɣ
Air conditioner is turned on or
turned off just now?
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The noise is the sound of
the unit, which is a normal
phenomenon.
Cracking
noise
Ɣ
Air conditioner is turned on or
turned off just now?
Ɣ
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
