Toyotomi TRN-828ZR User Manual page 30

Malfunction analysis
Phenomenon
Odours are emitted.
Air conditioner operates
abnormally.
Outdoor unit has vapor.
"Water flowing" noise.
Cracking noise.
Check items
Whether there's odour
source, such as furniture and
cigarette, etc.
Whether there's interference,
such as thunder, wireless
devices, etc.
Heating mode is turned on?
Air conditioner is turned on
or turned off just now?
Air conditioner is turned on
or turned off just now?
30
Solution
Eliminate the odour source.
Clean the filter.
Disconnect power, put back
power, and then turn on the
unit again.
During defrosting under he-
ating 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.
GB