Fujitsu ACG14UIA-LL Panduan Pengoperasian - Halaman 13
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TROUBLESHOOTING
Instructions relating to heating (*) are applicable only to "HEAT & COOL MODEL" (Reverse Cycle).
WARNING
Before requesting service, perform the following checks:
Symptom
NORMAL
Does not operate immedi-
FUNCTION
ately:
Noise is heard:
Smells:
Mist or steam are
emitted:
Airfl ow is weak or stops:
Water is produced from the
outdoor unit:
The FILTER indicator blinks:
thermo sensor
display on the remote
controller is fl ashing:
In the event of a malfunction (burning smell, etc.), immediately stop operation, turn off the electrical
breaker, 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 to ensure that power is completely off.
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 electrical breaker is turned off then on again, the
●
protection circuit will operate for about 3 minutes, preventing unit
operation during that period.
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 heating operation, a sizzling sound may be heard
●
occasionally. This sound is produced by the automatic defrosting
operation.
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.
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 the automatic
defrosting operation.
*
When heating operation is started, fan speed is temporarily very low,
●
to allow internal parts to warm up.
*
During heating operation, if the room temperature rises above the
●
thermostat setting, the outdoor unit will stop, and the indoor unit will
operate at very low fan speed. If you wish to warm the room further,
set the thermostat to a higher setting.
*
During heating operation, the unit will temporarily stop operation
●
(between 4 and 15 minutes) as the automatic defrosting mode oper-
ates. During the automatic defrosting operation,
on the remote controller display.
The fan may operate at very low speed during dry operation or when
●
the unit is monitoring the room's temperature.
In case of multi-type unit, if multiple units are operated in different
●
operation modes as shown below, the units operated afterward will
stop and
stopped indoor units.
• Heating mode and cooling mode (or dry mode)
• Heating mode and fan mode
During QUIET operation, the fan will operate at very low speed.
●
In the monitor AUTO operation, the fan will operate at very low speed.
●
*
During heating operation, water may be produced from the outdoor
●
unit due to the automatic defrosting operation.
Clean the fi lter. Afterwards, turn the FILTER indicator off.
●
The room temperature sensor may be malfunctioning. Please con-
●
sult authorized service personnel.
Problem
will be shown on the remote controller display of the
See Page
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