Specifications

51
A. O. Smith Water Products Service Handbook
Ashland City, Tennessee 2005
©
Training Department
TROUBLESHOOTING ERROR CODES
Lockout
Status
If error code is …
… then
011

check plug connect to ICB - CN15 and CN16 for appropriate stage
012

trade with "good" harness to determine if harness or ICB is
013

check connections between control panel harness assembly and 24
VAC ICB harness assembly
014
"01?" indicates No Gas Valve Power Sensed - The last number in the code is the Stage Ex. 011 =
Stage 1)
Hard
Error Code "01" Stage 1, 2, 3, or 4 - No Gas Valve Power
On Display Board red light is on "Gas Valve Fail" Red indicates Stage LED - On
Display Window will show "LOCO - 01?"
The Stage Gas Valve did not receive power to open.
Power is "ON" - Plugs are in receptacles
Ignition Control Board