Fujitsu AOBR24LFL, Operating Manual

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In the event of a malfunction (burning smell, etc.), immediately stop operation, turn off the electrical
breaker or disconnect the power supply plug, and consult authorized service personnel.
Merely turning off the unit’s power switch will not completely disconnect the unit from the power source.
Always be sure to turn off the electrical breaker or disconnect the power supply plug to ensure that
power is completely off.
TROUBLESHOOTING
WARNING!
Before requesting service, perform the following checks:
Symptom Problem See Page
NORMAL
FUNCTION
Doesn’t operate immedi-
ately:
● If the unit is stopped and then immediately started again, the com-
pressor will not operate for about 3 minutes, in order to prevent fuse
blowouts.
●
Whenever the Power Supply Plug is disconnected and then reconnected
to a power outlet, the protection circuit will operate for about 3 minutes,
preventing unit operation during that period.
—
Noise is heard:
● During operation and immediately after stopping the unit, the sound of
water fl owing in the air conditioner’s piping may be heard. Also, noise
may be particularly noticeable for about 2 to 3 minutes after starting
operation (sound of coolant
fl owing).
● During operation, a slight squeaking sound may be heard. This is the
result of minute expansion and contraction of the front cover due to
temperature changes.
—
●
During Heating operation, a sizzling sound may be heard occasional.
This sound is produced by the Automatic Defrosting operation.
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Smells: ●
Some smell may be emitted from the indoor unit. This smell is the
result of room smells (furniture, tobacco, etc.) which have been taken
into the air conditioner. —
Mist or steam are emitted:
● During Cooling or Dry operation, a thin mist may be seen emitted from
the indoor unit. This results from the sudden Cooling of room air by
the air emitted from the air conditioner, resulting in condensation and
misting.
—
● During Heating operation, the outdoor unit’s fan may stop, and steam
may be seen rising from the unit. This is due to Automatic Defrosting
operation.
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In regard to the Air Cleaning Filters
POLYPHENOL CATECHIN AIR CLEANING FILTER (one sheet)
● The Air Cleaning Filters are disposable fi lters. (They can not
be washed and reused.)
●
For storage of the Air Cleaning Filters, use the fi lters as soon
as possible after the package has been opened.
(The air cleaning effect decreases when the fi lters are left in
the opened package)
●
Generally, the fi lters should be exchanged about every three
months.
Please buy delicated air cleaning fi lters (UTR-FA13-1) (Sold
separately) to exchange the used dirty air cleaning fi lters.
[Negative air ions deodorizing fi lter (one sheet) — light
blue]
● The fi lters should be exchanged about every three years so
as to maintain the deodorizing effect.
●
Filter frame is not a one-off product.
Please buy delicated deodorizing fi lter (UTR-FA13-2) (Sold
separately) when exchanging the fi lters.
Maintenance of Deodorizing Filters
In order to maintain the deodorizing effect, please clean the fi lter
in the follow way once three months.
1
Remove the deodorizing fi lter.
2
Clean with water and dry in the air.
1) Flush the fi lters with high-pressure hot water until the
surface of the fi lters are covered with water. Please
fl ush with diluent neutral detergent.
Never wash by reaming or rubbing, otherwise it will
damage the deodorizing effect.
2) Rinse with water fl ow.
3) Dry in shade.
3
Reinstall the deodorizing fi lter.
CLEANING AND CARE
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