Equipment Discharges White Mist - Daikin Skyair FHC35K Service Manual

Troubleshooting Based on Equipment Condition
3.8

Equipment Discharges White Mist

Applicable Model
All models of Skyair series
Error Detection
Method
Error Generating
Condition
„ Humid installation site
Possible Cause
„ Installation site is dirty and with dense oil mists.
„ Soiled heat exchanger
„ Clogged air filter
„ Malfunction of fan motor
Troubleshooting
88
Is the room
YES
temperature higher than
set value in cooling
operation?
NO
Is the heat
YES
exchanger of indoor
unit soiled?
NO
Is the site
YES
dusty or with dense
oil mist?
NO
YES
Is the airflow
rate too small?
NO
Did the trouble generate on
switching to heating mode
after complete of defrosting
during heating?
Continue unit operation.
Is white fog
NO
coming out from
the unit?
YES
It may be necessary to
remove the source of humid
condition.
Dust or oil mists should be
removed.
Possible causes as follows
* Clogged air filter
* Malfunction of fan motor
Si-71A
Normal
Remove the source of humid
condition.
Cleaning of heat exchanger is
necessary.
Remove the source of oil mist or dust.
Cleaning of air filter
Check fan motor
Normal
(Fog is generated due to defrosting
operation)
(SF037)
Troubleshooting