Specifications

55
A. O. Smith Water Products Service Handbook
Ashland City, Tennessee 2005
©
Training Department
TROUBLESHOOTING ERROR CODES
Error Code "060" - This indicates Blocked Flue
On Display Board red light is on "Blocked Flue" Red indicates LED - On
Display Window will show "LOCO 060".
Blocked Flue Switch has opened (.60 + pressure to open). Switch is located to the left of the
vent and rear of the cabinet - near air intake opening.
Power is "ON" - Plugs are in receptacles
Central Control Board
Terminal Board 2
CN 14
Lockout
Status
If error code is …
… then
•
•
•
•
opens at .60 positive pressure
check vent equivalent length
check for blockage
replace switch

if closed, 24 VAC should be present at TB2, Terminal 20 and 21
Both Terminal to Ground

check wiring and 24 VAC from TB2 Terminal to CCB CN14, Pin 9.

check wiring and 24 VAC supply from CN 14 Pin 1 to TB2 Terminal
20. Pin one is actually only sent to one termina
l then jumped across
to the others.
"060" indicates Insufficient Blocked Flue.
060Soft