When Excessive Noise Is Heard - Samsung ERV Operating Instructions Manual

9-4-15 When excessive noise is heard

Is the unit making excessive noise?
Are Heat Exchange Element
and Filter installed properly?
Are Filter well cleaned?
Are Heat Exchange Element well cleaned?
Is there any substance inside the Duct?
Is Fan Motor working properly?
Replace or repair PCB.
Samsung Electronics
Yes
Yes
Yes
Yes
Yes
Yes
No
Install Heat Exchange Element and
No
No
Eliminate Dust or other substance.
No
Eliminate the substance.
No
Measure RPM and fix it.
filter properly.
Clean Filters.
9-15