Daikin RZQG71L9V1, Service Manual

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ESIE15-13C Symptom-based Troubleshooting
Service Diagnosis 111
2.8 Equipment Discharges White Mist
Applicable Model
All models of SkyAir series
Supposed
Causes
 Humid installation site

Installation site is dirty and with dense oil mists.

Soiled heat exchanger
 Clogged air filter
 Defective fan motor
Troubleshooting
YES
Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be occurred.
Continue the unit operation.
Dust or oil mists should be removed.
Normal
NO
Remove the source of humid
condition.
It may be necessary to remove the
source of humid condition.
YES
YES
Cleaning of heat exchanger is
necessary.
NO
NO
YES
Did the trouble generate on switching
to heating mode after complete of
defrosting during heating?
Remove the source of oil mist or
dust.
Cleaning of air filter
Check the fan motor.
(Refer to troubleshooting
“
A6
”)
Normal
(Mist is generated due to
defrosting operation)
Possible causes as follows
* Clogged air filter
* Defective fan motor
NO
YES
NO
Is the room
temperature higher than set
value in cooling
operation?
Is the
heat exchanger of indoor
unit soiled?
Is the site dusty or
with dense oil mist?
Is the airflow
rate too small?
Is white mist coming
out from the unit?