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En-17
TROUBLESHOOTING
Symptom Problem See Page
CHECK ONCE
MORE
Doesn’t operate at all:
●
Has the circuit breaker been turn off?
●
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 (or Heating)
performance:
●
Is the Air Filter dirty?
●
Are the air conditioner’s intake grille or outlet port blocked?
●
Did you adjust the room temperature settings (thermostat)
correctly?
●
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
Controller’s setting:
●
Are the Remote Controller’s batteries dead?
●
Are the Remote Controller’s batteries loaded properly?
5
OPERATING TIPS
If the problem persists after performing these checks, or if you notice burning smells, or the OPERATION Indicator Lamp (Fig. 3
5
)
and the TIMER Indicator Lamp (Fig. 3
6
) fl ashes and ECONOMY Indicator Lamp (Fig.3
7
) fl ashes fast, immediately stop operation,
turn off the electrical breaker and consult authorized service personnel.
Operation and Performance
Heating Performance
●
This air conditioner operates on the heat-pump principle,
absorbing heat from outdoor air and transferring that heat
to indoor unit. As a result, the operating performance is
reduced as outdoor air temperature drops. If you feel that
insufficient heating performance is being produced, we
recommend you use this air conditioner in conjunction with
another kind of heating appliance.
●
Heat-pump air conditioners heat your entire room by recir-
culating air throughout the room, with the result that some
time may be required after fi rst starting the air conditioner
until the room is heated.
Microcomputer-controlled Automatic Defrosting
●
When using the Heating mode under conditions of low out-
door temperature and high humidity, frost may form on the
outdoor unit, resulting in reduced operating performance.
In order to prevent this kind of reduced performance, this
air conditioner is equipped with a Microcomputer-controlled
Automatic Defrosting function. If frost forms, the air con-
ditioner will temporarily stop, and the defrosting circuit will
operate briefl y (Max. 15 minutes).
During Automatic Defrosting operation, the OPERATION
Indicator Lamp (green) will fl ash.
●
After heating operation stops, if frost forms on the outdoor
unit, the unit will start Automatic Defrosting operation. At
this time, the outdoor unit will automatically stop after oper-
ating for a few minutes.
9315345387_OM_EN.indb 179315345387_OM_EN.indb 17 12/2/2010 8:44:44 AM12/2/2010 8:44:44 AM
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