21
Servicing should only be performed by a Qualified Service Technician
6. BLOCKED EXHAUST
CHANGE
BACK
ADVANCED
Blocked Exhaust
Fault occurred 2 mins ago
Restriction in exhaust pipe. Check
exhaust pipe and termination for
blockage.
Call a service professional:
Your Company Name Here
(press [DOWN] for more....)
CAUSES:
•
The Blocked Exhaust Switch has detected a
possible restriction in the exhaust 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.
