Samsung Electronics
9-13
9-4-11 When the unit stops infusing air
Clean or replace the filter if it contains too
much dust.
No
Yes
Is filter working properly?
Yes
Yes
Yes
The unit stops infusing air
Replace MOTOR
No
Is MOTOR working properly?
Clean or replace the filter if it contains too
much dust.
No
Is heat exchange element working properly?
Clean or replace the filter if it contains too
much dust.
No
Are outdoor air input and indoor
output in good conditions?
9-4-12 When indoor air smells bad or contains dust
Clean or replace the heat exchange element
if it is damaged.
No
Yes
Is heat exchange element working properly?
Yes
Yes
Indoor air smells bad or contains dust
Clean or replace the filter if it is damaged.
No
Is filter working properly?
Clean or replace the duct if it is damaged.
No
Is duct working properly?
