Samsung RHF025EE Service Manual page 74

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