AGU9RLF Operation Manual

En-17
TROUBLESHOOTING
Symptom Problem See Page
NORMAL
FUNCTION
The damper opens and
closes automatically
●
The damper is automatically controlled by a microcomputer accord-
ing to the airÀ ow temperature and operation time of the air condi-
tioner.
—
Symptom Items to check 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 (temperature) 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?
●
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? 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
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
) À ashes, and ECONOMY Indicator Lamp (Fig.3
8
) À ashes fast. Immediately stop opera-
tion, turn off the electrical breaker and consult authorized service personnel.
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