Fujitsu ACY7UI-MI Operating Manual page 14

TROUBLESHOOTING
CHECK ONCE Does not operate at all:
MORE
Poor cooling (or heating*)
performance:
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.
En-14
9374379705_OM.indb Sec1:14 9374379705_OM.indb Sec1:14
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 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?
Problem See Page
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