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TROUBLESHOOTING
Symptom Items to check See Page
CHECK ONCE
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Doesn’t operate at all:
l Has there been a power failure?
l Has a fuse blown out, or a circuit breaker been tripped?
—
l Is the timer operating?
5 to 7
Poor Cooling (or Heating)
performance:
l Is the air fi lter dirty?
l Are the air conditioner’s intake grille or outlet port blocked?
l Did you adjust the room temperature settings (thermostat)
correctly?
l Is there a window or door open?
l In the case of Cooling operation, is a window allowing bright
sunlight to enter? (Close the curtains.)
l In the case of Cooling operation, are there heating apparatus
and computers inside the room, or are there too many people
in the room?
—
If the problem persists after performing these checks, or if you notice burning smells, stop operation immediately, turn off
the electrical breaker, and consult with authorized service personnel.
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