Fujitsu AUYG12LVLB Bedienungsanleitung Seite 16

TROUBLESHOOTING
Instructions relating to heating (*) are applicable only to "HEAT & COOL MODEL" (Reverse Cycle).
Symptom
NORMAL Airfl ow is weak or
FUNCTION stops:
Water is produced
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
* When heating operation is started, fan speed is temporarily very low, to allow
●
internal parts to warm up.
* During heating operation, if the room temperature rises above the thermo-
●
stat setting, the outdoor unit will stop, and the indoor unit will operate at very
low fan speed. If you wish to warm the room further, set the thermostat to a
higher setting.
* During heating operation, the unit will temporarily stop operation (between 4
●
and 15 minutes) as the automatic defrosting mode operates. During the au-
tomatic defrosting operation, the OPERATION indicator lamp will fl ash.
The fan may operate at very low speed during dry operation or when the unit
●
is monitoring the room's temperature.
During SUPER QUIET operation, the fan will operate at very low speed.
●
In the monitor AUTO operation, the fan will operate at very low speed.
●
In case of multi-type unit, if multiple units are operated in different operation
●
modes as shown below, the units operated afterward will stop and the OP-
ERATION indicator lamp (green) will fl ash.
Heating mode and cooling mode (or dry mode)
●
Heating mode and fan mode
●
* 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
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15
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9 to 10
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