Fujitsu AUT36A Operating Manual page 19

Instructions relating to heating(*) are applicable only to "HEAT & COOL MODEL" (Reverse Cycle).
CHECK ONCE Doesn't 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 the
electrical breaker, and consult with authorized service personnel.
Symptom
● 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) 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?
Items to check See Page
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19