Fujitsu ASBA18LEC: AOBR18LEC Operating Manual page 16

TROUBLESHOOTING
NORMAL Mist or steam are emitted:
FUNCTION
Airfl ow is weak or stops:
Water is produced from the
outdoor unit:
CHECK ONCE Doesn't operate at all:
MORE
Poor Cooling performance:
The unit operates
differently from the Remote
Control Unit's setting:
If the problem persists after performing these checks, or if you notice burning smells, or both the ORERATION Indicator Lamp (Fig. 3
5) and the TIMER Indicator Lamp (Fig. 3 6) fl ashes, or only the TIMER Indicator Lamp (Fig. 3 6) fl ashes, immediately stop operation,
disconnect the Power Supply, and consult authorized service personnel.
En-15
Symptom
● During Cooling or Dry operation, a thin mist may be seen emit-
● During Heating operation, the outdoor unit's fan may stop, and
● When Heating operation is started, fan speed is temporarily very
● During Heating operation, if the room temperature rises above
● During Heating operation, the unit will temporarily stop operation
● The fan may operate at very low speed during Dry operation or
● During SUPER QUIET operation, the fan will operate at very low
● In the monitor AUTO operation, the fan will operate at very low
● During Heating operation, water may be produced from the out-
Symptom
● Is the Power Supply Plug disconnected its outlet?
● Has there been a power failure?
● Has a fuse blown out, or a circuit breaker been tripped?
● Is the timer operating?
● Is the Air Filter dirty?
● Air the air conditioner's intake grille or outlet port blocked?
● Did you adjust the room temperature settings (thermostat) cor-
rectly?
● Is there a window or door open?
● In the case of Cooling operation, is a window allowing bright
sunlight to enter? (Close the curtains.)
● In the case of Cooling operation, are there heating apparatus and
computers inside the room, or are there too many people in the
room?
● Is the unit set for SUPER QUIET operation?
● Are the Remote Control Unit's batteries dead?
● Are the Remote Control Unit's batteries loaded properly?
Problem
ted 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.
steam may be seen rising from the unit. This is due to Automatic
Defrosting operation.
low, to allow internal parts to warm up.
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 for a higher setting.
(between 7 and 15 minutes) as the Automatic Defrosting mode
operates. During Automatic Defrosting operation, the OPERA-
TION Indicator Lamp will fl ash.
when the unit is monitoring the room's temperature.
speed.
speed
door unit due to Automatic Defrosting operation.
Items to check
See Page
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15
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15
6
6
6
15
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8 - 9
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6
5