Fujitsu Halcyon Operating Manual page 14

TROUBLESHOOTING
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.
En-13
OM_9373117063-en.indd Sec1:13 OM_9373117063-en.indd Sec1:13
Symptom
l
Has there been a power failure?
l
Has a fuse blown out, or a circuit breaker been tripped?
l
Is the timer operating?
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?
Items to check See Page
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