Fujitsu ABBG 45 LRTA Operating Manual page 16

TROUBLESHOOTING
CHECK ONCE Does not operate at all:
MORE
Poor cooling (or heating*)
performance:
The unit operates differ-
ently from the remote con-
troller setting:
If the problem persists after performing these checks, or if you notice burning smells, or the OPERATION indicator lamp and
the TIMER indicator lamp flashes, and ECONOMY indicator lamp flashes fast. Immediately stop operation, turn off the electrical
breaker and consult authorized service personnel.
En-16
Symptom
● 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?
● Is the air filter 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?
● Are the remote controller batteries dead?
● Are the remote controller batteries loaded properly?
Problem See page
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9 to 10
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6