En-13
TROUBLESHOOTING
Symptom
Doesn’t operate at all:
Poor Cooling (or Heating)
performance:
The unit operates
differently from the remote
control unit’s setting:
See Page
—
4
7-8
—
5
4
CHECK ONCE
MORE
Items to Check
● Is the Power Supply Plug disconnected its outlet?
● Has there been a power failure?
● Has a fuse blown out, or a circuit breaker been tripped?
● Is the POWER switch set to the OFF position?
● Is the timer operating?
● Is the air filter 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 SUPER QUIET operation?
● Are the Remote Control Unit’s batteries dead?
● Are the Remote Control Unit’s batteries loaded properly?
If the problem persists after performing these checks, or if you notice burning smells, or the TIMER Indicator lamp (Fig. 3 7)
flashes, immediately stop operation, disconnect the Power Supply Plug (Fig. 1 D), and consult authorized service personnel.
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