Daikin RXYQ96PYDN, Руководство по обслуживанию

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Symptom-based Troubleshooting SiUS34-801A_b
318 Troubleshooting
1. Symptom-based Troubleshooting
Symptom Probable Cause Countermeasure
1 System does not start operation at all. Blowout of fuse(s) Turn Off the power supply and then
replace the fuse(s).
Cutout of breaker(s) • If the knob of any breaker is in its
OFF position, turn ON the power
supply.
• If the knob of any circuit breaker
is in its tripped position, do not
turn ON the power supply.
Power failure After the power failure is reset,
restart the system.
2 System starts operation but makes an immediate
stop. Blocked air inlet or outlet of indoor
or outdoor unit Remove obstacle(s).
Clogged air filter(s) Clean the air filter(s).
3 System does not cool or heat air well. Blocked air inlet or outlet of indoor
or outdoor unit Remove obstacle(s).
Clogged air filter(s) Clean the air filter(s).
Enclosed outdoor unit(s) Remove the enclosure.
Improper set temperature Set the temperature to a proper
degree.
Airflow rate set to LOW Set it to a proper airflow rate.
Improper direction of air diffusion Set it to a proper direction.
Open window(s) or door(s) Shut it tightly.
[In cooling] Direct sunlight received Hang curtains or shades on
windows.
[In cooling] Too many persons staying in a
room
[In cooling] Too many heat sources (e.g. OA
equipment) located in a room
4 System does not
operate. The system stops and
immediately restarts
operation. If the OPERATION lamp on the
remote controller turns ON , the
system will be normal. These
symptoms indicate that the system
is controlled so as not to put
unreasonable loads on the system.
Normal operation. The system will
automatically start operation after a
lapse of five minutes.
Pressing the TEMP ADJUST
button immediately resets the
system.
The remote controller displays
UNDER CENTRALIZED
CONTROL
, which blinks for a
period of several seconds
when the
OPERATION button
is depressed.
The system is controlled with
centralized controller. Blinking
display indicates that the system
cannot be operated using the
remote controller. Operate the system using the
COOL/HEAT centralized remote
controller.
The system stops immediately
after turning ON the power
supply. The system is in preparation mode
of micro computer operation. Wait for a period of approximately
one minute.
5 System makes
intermittent
stops. The remote controller displays
malfunction codes [
U4 ] and
[ U5 ], and the system stops but
restarts after a lapse of
several minutes.
The system stops due to an
interruption in communication
between units caused by electrical
noises coming from equipment
other than air conditioners. Remove causes of electrical noises.
If these causes are removed, the
system will automatically restart
operation.
ON
OFF
Knob
Tripped
Circuit breaker