Troubleshooting; Self-Diagnosis - DeLonghi PAC N77ECO Manual

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PROBLEM
The air conditioner
does not come on
The air conditioner
works for a short
time only
The air conditioner
works, but does not
cool the room
Particular odour in
the room
The air conditioner
does not operate
for about 3 minutes
after turning it on
The alarm light Q
comes on

SELF-DIAGNOSIS

The appliance has a self diagnosis system to identify a number of malfunctions.
Error messages are displayed on the appliance display.
I
...
F
IS DISPLAYED
"Low Temperature"
...MEANS:
room temperature is too low
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24

Troubleshooting

CAUSE
no electricity
it is not plugged into the mains
the safety device has tripped
the air exhaust hose has a constriction
the air exhaust hose is blocked
there are bends in the air exhaust hose
window open
there are heat sources in the room (burner,
lamp, etc)
the exhaust hose is detached
air filter clogged
the air conditioner is not powerful enough for
the conditions or size of the room
air purifying filters clogged
the safety device has tripped
the tank inside the appliance is full.
,
I
F
"High Temperature"
...MEANS:
room temperature is too
high
...
,
IS DISPLAYED
REMEDY
wait
plug into the mains
contact your service centre
position the exhaust hose cor-
rectly
check there are no obstacles
obstructing air discharge
eliminate the bends
close the window
eliminate the heat source
connect the exhaust hose
clean or replace the filter
clean or replace the filters
wait for three minutes
empty the tank (see "End of
season operations) on page
23).
I
...
F
IS DISPLAYED
"Probe Failure"
(sensor damaged)
...MEANS:
contact your local customer
service
,

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