En-18
TROUBLESHOOTING
Symptom
The damper opens and
closes automatically
Symptom
Doesn’t operate at all:
Poor Cooling (or Heating)
performance:
The unit operates
differently from the Remote
controller’s setting:
See Page
—
See Page
—
8 - 9
—
6
5
NORMAL
FUNCTION
CHECK ONCE
MORE
Problem
●
The damper is automatically controlled by a microcomputer accord-
ing to the airfl ow temperature and operation time of the air condi-
tioner.
Items to check
●
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?
●
Is the Air Filter dirty?
●
Air 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?
●
Make sure the lower air outlet is not choked with foreign matters,
causing abnormal operation to damper.
●
Is the unit set for SUPER QUIET operation?
●
Are the Remote controller’s batteries dead?
●
Are the Remote controller’s batteries loaded properly?
If the problem persists after performing these checks, or if you notice burning smells, or the OPERATION Indicator Lamp (Fig. 3
6
)
and the TIMER Indicator Lamp (Fig. 3
7
) fl ashes, and ECONOMY Indicator Lamp (Fig.3
8
) fl ashes fast. Immediately stop opera-
tion, turn off the electrical breaker and consult authorized service personnel.
9378532038-03_OM.indb 189378532038-03_OM.indb 18 2/25/2013 3:46:34 PM2/25/2013 3:46:34 PM
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