En-13
TROUBLESHOOTING
Symptom
Problem
See Page
CHECK ONCE
MORE
Doesn’t operate at all:
●
Has the circuit breaker been turned off?
●
Has there been a power failure?
●
Has a fuse blown out, or a circuit breaker been tripped?
—
●
Is the timer operating?
7 to 10
Poor Cooling (or *Heating)
performance:
●
Is the air
fi
lter dirty?
●
Are 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 sun-
light 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 QUIET operation?
—
If the problem persists after performing these checks, or if you notice burning smells, stop operation immediately, turn off electric
breaker, and consult with authorized service personnel.
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