Specifications

59
A. O. Smith Water Products Service Handbook
Ashland City, Tennessee 2005
©
Training Department
TROUBLESHOOTING ERROR CODES
Error Code "10" Stage 1, 2, 3 or 4 - Only Applicable to CSD-1 and IRI
Equipped Models
Display Board Red "High Gas Fail" LED is ON.
Display window will show "LOCO 10 __"
Red LED for Stage is ON.
Power ON - Plugs in receptacles
High Gas Pressure Switch (one per stage) opens at 5.25" W.C. pressure (12.8" W.C. - Prop)
Manifold Pressure
Lockout
Status
If error code is … … then
Stage 1 101

opens at 5.25" W.C. manifold gas pressure (12.8" W.C. Propane)
Stage 2 102

check that supply gas pressure does not exceed 14" W.C.
Stage 3
103

check flowing manifold gas pressure.
Stage 4 104

replace high gas pressure.
"10?" indicates Excess Manifold Gas Pressure. The last number of the code is the stage (Ex. 0101 = Stage 1) High
Gas Pressure Switches are only installed on models with accessories to meet CSD-1 or I
RI requirements.
Hard