Troubleshooting Based on Equipment Condition Si-71A
88 Troubleshooting
3.8 Equipment Discharges White Mist
Applicable Model
All models of Skyair series
Error Detection
Method
Error Generating
Condition
Possible Cause
„
Humid installation site
„
Installation site is dirty and with dense oil mists.
„
Soiled heat exchanger
„
Clogged air filter
„
Malfunction of fan motor
Troubleshooting
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)
Is white fog
coming out from
the unit?
Is the heat
exchanger of indoor
unit soiled?
Is the site
dusty or with dense
oil mist?
NO
NO
NO
Is the airflow
rate too small?
NO
NO
YES
YES
YES
YES
Is the room
temperature higher than
set value in cooling
operation?
YES
Continue unit operation.
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
Did the trouble generate on
switching to heating mode
after complete of defrosting
during heating?
(SF037)
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