2
1
Phenomenon
Check items
Solution
Odours are
emitted
● Whether there’s odour source,
such as furniture and cigarette,
etc.
● Eliminate the odour source.
● Clean the filter.
Air conditioner
operates nor-
mally suddenly
● Whether there’s interference,
such as thunder, wireless
devices, etc.
● Disconnect power, put back
power, and then turn on the
unit again.
“Water
flowing”
noise
● Air conditioner is turned on or
turned off just now?
● The noise is the sound of
refrigerant flowing inside
the unit, which is a normal
phenomenon.
Cracking
noise
● Air conditioner is turned on or
turned off 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
WARNING
CAUTION
WARNING
WARNING
Do not attempt any repairs on the unit yourself. Incorrect repair can cause
shock or fire. Always call a qualified service professional. Using these
troubleshooting suggestions can save time when you contact the qualified
service professional.