Troubleshooting - DeLonghi EX 390 Series Instructions For Use Manual

TROUBLESHOOTING

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
During operation, there is an unpleasant
smell in the room
The air conditioner does not operate for
about three minutes after restarting it
The scripts Lt/PF/HL/EI and the
symbol appear on display.
CAUSE
it is not plugged into the outlet
there is no power
the internal safety device has tripped
there are bends or kinks in the air
exhaust hose
something is preventing the air from
being discharged
windows, doors and/or curtains open
there are heat sources in the room (oven,
hairdryer, etc
the air exhaust hose is detached from the
appliance
filter clogged
the technical specification of the
appliance is not adequate for the room in
which it is located.
filter clogged or dirty
an internal safety device prevents the
appliance from being restarted until
three minutes have elapsed since it was
last turned off
the appliance has a self diagnosis system
to identify a number of malfunctions.
14
SOLUTION
plug into the outlet
wait for the current to return
call the Service Center
position the air hose correctly, keeping it
as short and free of curves as possible to
avoid bottlenecks
check and remove any obstacles
obstructing air discharge
close doors, windows and curtains,
bearing in mind the "TIPS FOR CORRECT
USE" given above
minimize heat sources impact by setting
on low or unplugging unnecessary
sources
fit the air exhaust hose in the housing at
the back of the appliance (fig. 6).
clean or replace the filter as described above
clean the filter as described above
wait. This delay is part of normal
operation.
see the SELF-DIAGNOSIS chapter