ENGLISH
TEKNO POINT ITALIA S.R.L. - VIA DELL’ARTIGIANATO 5 - 30020 MARCON (VE) – ITALY
MUI_CAIO_Ita_Eng_Fra_TP/Rev.06/Data 21.02.2022
83
SELF-DIAGNOSIS AND RESOLUTION OF FREQUENT
PROBLEMS
GENERAL PHENOMENA
Pleaseconsult the tablebelowbeforerequesting service. If the fault persists, please contact the supplier or
service department.
Phenomenon
Verifications
Solutions
No air escapes from the UI
Is the air supply or suctionblocked?
Removeanyobstacles
Has the appliance just beenswitched on
in heating mode?
To avoidcold air flows,
ventilationisonlyactivatedwhen the
exchangerissufficientlywarm.
The unitdoesnot work
Lack of electricity?
Waituntilitisrestored
Disconnected plug?
Check plug insertion
Tripping of circuitbreakers or fuses?
Have the cause of the
interventionchecked by
qualifiedpersonnel and restored.
Electricalwiringdamaged?
Havequalifiedpersonnelreplace
Wasthere a sudden power surge?
Disconnect the appliance from the
mains and switch it on after waiting
for atleast 180 sec.
Is the setting of the remote control
correct?
Check the correct setting of the wired
control
Does the UI emitmist?
Are the temperature and humidity in the
room high?
Thisis a naturalphenomenon; as the
temperature and humiditydecrease,
the phenomenonfades.
The desired temperature
cannot be changed
The unitis in AUTO or ECO mode
The desired temperature cannot be
changed in AUTO mode.
In ECO mode the setting ranges are
limited.
Change the operating mode.
Is a temperature beyond the control
range required?
Set a temperature within the range:
16° C-30° C
Cooling or heating are
noteffective
Supply voltagetoo low?
Check that the supply voltage
Is the filter dirty?
Check and cleanit
Has the set temperature beenreached?
Check
Are there open doors or windows, heat
sources or thermalbridges?
Check
Emission of
unpleasantodours
Dry condensate drain siphon
Put some water in the basin. Clean the
suction filter.
The appliance
suddenlyswitches on
Possibleinterferencesuchas power
surges, thunderstorms,
Disconnect the appliance from the
mains and switch it on after waiting
