20
Servicing should only be performed by a Qualified Service Technician
5. BLOCKED AIR INTAKE
CHANGE
BACK
ADVANCED
Blocked Air Intake
Fault occurred 2 mins ago
Restriction in air intake. Check
intake pipe and termination for
blockage.
Call a service professional:
Your Company Name Here
(press [DOWN] for more....)
CAUSES:
•
The Blocked Air Intake Switch has detected a
possible restriction in the air intake pipe.
CHECK/ REPAIR:
•
Check pipe for restriction or excessive equivalent length.
•
See Instruction Manual for pipe size, length and maximum number of elbows.
•
Check actual pipe pressure with a manometer during blower operation. See "Pressure Switch Tests" section
on Page 12 thru Page 15 under "Blower Operation Error" on Page 11.
