Tekno Point CNS-09 Manuel D'utilisation Et Installation page 48

Malfunction analysis
Phenomenon
Mist is emitted
from indoor unit's
air outlet.
Set temperature
can't be adjusted
Cooling (heating)
effect is not good.
Odours are
emitted
Air conditioner
operates normally
suddenly
Outdoor
unit has
vapor
" Water flowing"
noise
Cracking noise
Check items
Indoor temperature and humidity
is high?
Unit is operating under auto
mode?
Your required temperature
exceeds the set temperature
range?
Voltage is too low?
Filter is dirty?
Set temperature is in proper
range?
Door and window are open?
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?
Because indoor air is cooled rapidly.
After a while, indoor temperature and
humidity will be decrease and mist
will disappear.
Temperature can't be adjusted under
auto mode.
Please switch the operation mode if
you need to adjust temperature.
Set temperature range:
16℃ ~31℃
Wait until the voltage resumes
normal.
Clean the filter.
Adjust temperature to proper range.
Close door and window.
Clean the filter.
Eliminate the odour source.
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.
44
Solution