Fujitsu UTY-LRHYA2 Operating Manual page 16

TROUBLESHOOTING
Instructions relating to heating (*) are applicable only to "HEAT & COOL MODEL" (Reverse Cycle).
Symptom
NORMAL Water is produced
FUNCTION from the outdoor unit:
The ECONOMY indi-
cator lamp fl ashing.
CHECK Does not operate at all:
ONCE
MORE
Poor Cooling
(or Heating*)
performance:
The unit operates
differently from the
remote controller's
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 fl ashes, and ECONOMY indicator lamp fl ashes fast. Immediately stop operation, turn off the electrical breaker and consult
authorized service personnel.
En-16
* During heating operation, water may be produced from the outdoor unit due
●
to the automatic defrosting operation.
Clean the fi lter. Afterwards, turn the ECONOMY lamp off.
●
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) correctly?
●
Is there a window or door open?
●
In the case of cooling operation, is a window allowing bright sunlight to en-
●
ter? (close the curtains.)
In the case of cooling operation, are there heating apparatus and computers in-
●
side the room, or are there too many people in the room?
Is the unit set for QUIET operation?
●
Are the remote controller's batteries dead?
●
Are the remote controller's batteries loaded properly?
●
Problem See Page
17
15
—
9 to 10
—
—
6