Samsung RHF025EE Service Manual page 75

9-4-13 When water drop is found in the Return Air duct or on ceiling
Is water drop found?
Is the unit set to Heat-EX mode in case of heating?
Is outside duct installed properly?
Is outside hood installed properly?
Is insulation of body and
duct done properly?
9-4-14 When cold air is infused
Is the unit infusing cold air?
DAMPER → Heat-EX mode ?
Is heat exchange element
working properly?
9-14
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Yes
Yes
Yes
Yes
Yes
Yes
No
Set the unit to Heat-EX mode in case of
heating with function switch.
No
Install the duct properly.
(Duct slope 1/100 ~ 1/50)
No
Install the hood properly.
Replace it if it is damaged.
If there is no or fault insulation,
No
do the insulation job.
No
Control DAMPER (Change to Heat-EX mode)
No
Check heat exchange element and fix it.
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