Troubleshooting - DeLonghi T SERIES Instruction 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 unplea-
sant smell in the
room
The air conditioner
does not operate for
about three minutes
after restarting it
The following message
appears on the display:
LT / PF / FT / FI
CAUSE
• there is no current
• it is not plugged into the mains
• 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 cur-
tains open
• there are heat sources in the
room (oven, hairdryer, etc)
• the air exhaust hose is deta-
ched from the appliance
•dust or silver ion and 3M® filter
clogged
•the technical specification of
the appliance is not adequa-
te for the room in which it is
located.
• dust or silver ion and 3M® filter
clogged.
• the internal compressor safety
device prevents the applian-
ce from being restarted until
three minutes have elapsed
since it was last turned off.
• The appliance has a self dia-
gnosis system to identify a
number of malfunctions.
• wait
• plug into the mains
• call the Service Centre
• position the air exhaust hose
correctly, keeping it as short
and free of curves as possible
to avoid bottlenecks
•check and remove any obsta-
cles obstructing air discharge
• close doors, windows and
curtains, bearing in mind the
"tips for correct use" given
above
• eliminate the heat sources
•fit the air exhaust hose in the
housing at the back of the
appliance (fig. 1).
•clean the filters as described
above
•clean the filters as described
above
• wait. This delay is part of nor-
mal operation.
• See the SELF-DIAGNOSIS
chapter.
17
SOLUTION