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 9
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)
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 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.
9374343072-04_OM.indb Sec1:13
9374343072-04_OM.indb Sec1:13
9/2/2010 2:59:03 PM
9/2/2010 2:59:03 PM
