En-15
TROUBLESHOOTING
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.
Symptom Items to check
See Page
CHECK ONCE
MORE
Doesn’t operate at all:
● 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?
8 - 9
Poor Cooling performance:
● 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?
6
The unit operates
differently from the Remote
Control Unit’s setting:
● Are the Remote Control Unit’s batteries dead?
● Are the Remote Control Unit’s batteries loaded properly?
5
Symptom Problem
See Page
NORMAL
FUNCTION
Mist or steam are emitted:
● During Cooling or Dry operation, a thin mist may be seen emit-
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.
—
● 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.
15
Airfl ow is weak or stops:
● 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 for a higher setting.
—
● During Heating operation, the unit will temporarily stop operation
(between 7 and 15 minutes) as the Automatic Defrosting mode
operates. During Automatic Defrosting operation, the OPERA-
TION Indicator Lamp will fl ash.
15
● The fan may operate at very low speed during Dry operation or
when the unit is monitoring the room’s temperature.
6
● During SUPER QUIET operation, the fan will operate at very low
speed.
6
● In the monitor AUTO operation, the fan will operate at very low
speed
6
Water is produced from the
outdoor unit:
● During Heating operation, water may be produced from the out-
door unit due to Automatic Defrosting operation.
15
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