Hiyasu HS-9UIHN Mode D'emploi page 20

Malfunction analysis
Phenomenon
● Whether there's odour
Odours are
emitted
Air condition- ● Whether there's interference,
er operates
normally
suddenly
● Heating mode is turned on?
Outdoor unit
has vapor
● Air conditioner is turned on or
"Water flow-
ing" noise
● Air conditioner is turned on or
Cracking
noise
Check items
source, such as furniture and
cigarette, etc.
such as thunder, wireless
devices, etc.
turned off just now?
turned off just now?
● Eliminate the odour source.
● Clean the filter.
● Disconnect power, put back
power, and then turn on the
unit again.
● During defrosting under
heating mode, it may
generate vapor, which is a
normal phenomenon.
● The noise is the sound of
refrigerant flowing inside
the unit, which is a normal
phenomenon.
● This is the sound of friction
caused by expansion and/or
contraction of panel or other
parts due to the change of
temperature.
19
Solution