40
TROUBLESHOOTING
PROBLEM
CAUSE
SOLUTION
The air conditioner
does not come on
• there is no current
• it is not plugged into the mains
• the internal safety device has
tripped
• wait
• plug into the mains
• call the Service Centre
The air conditioner
works for a short time
only
• there are bends or kinks in the
air exhaust hose
• something is preventing the
air from being discharged
• 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 dis-
charge
The air conditioner
works, but does not
cool the room
• 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 filter and (when present)
silver ion filter and 3M® filter
clogged
• the technical specification of
the appliance is not adequa-
te for the room in which it is
located.
• 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
During operation,
there is an unplea-
sant smell in the
room
• dust filter and (when present)
silver ion filter and 3M® filter
clogged
• clean the filters as described
above
The air conditioner
does not operate for
about three minutes
after restarting it
• the internal compressor safety
device prevents the applian-
ce from being restarted until
three minutes have elapsed
since it was last turned off.
• wait. This delay is part of nor-
mal operation.
The symbol and
one of the following
messages appears
on the appliance dis-
play:
LT
/
PF
/
HL
/
CL
• The appliance has a self dia-
gnosis system to identify a
number of malfunctions.
•see the SELF-DIAGNOSIS chap-
ter.
