En-14
TROUBLESHOOTING
Symptom Problem
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CHECK ONCE
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Does not 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? 8 to 11
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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