Servicing, Troubleshooting – DeLonghi CT300H User Manual

Page 16

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34

PROBLEM

CAUSE

REMEDY

The air-conditioner
does not work

•

power failure

•

plug is disconnected

•

the notches on TIMER dial have not been set

•

The ON /OFF button (A) is in the OFF position

•

wait

•

connect plug

•

push teeth outwards

•

Press the ON/OFF button

Ventilation only
functions

•

thermostat has activated

•

to make room cooler rotate thermo-
stat counter-clockwise

The mains switch
switches OFF

•

switch off the appliance and call
Service Centre

The appliance does
not cool the environ-
ment sufficiently

•

window open

•

source of heat in room (heater, lamp etc.)

•

room is overcrowded with people

•

air exhaust hose has become disconnected

•

thermostat regulated too high

•

air filter blocked

•

close window

•

re-insert exhaust hose

•

Regulate the thermostat.

•

clean filter

SERVICING

In case of malfunction turn off and disconnect the air-conditioner from power outlet and contact the nearest
Service Centre for qualified assistance.

The appliance does
not heat the environ-
ment sufficiently
(mod. CT300H only)

•

The safety thermostat on the heating element
has been activated.

•

to reset the unit, disconnect it from
mains for a few minutes, eliminate the
cause of overheating and then
reconnect.

TROUBLESHOOTING

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