Specifications

57
A. O. Smith Water Products Service Handbook
Ashland City, Tennessee 2005
©
Training Department
TROUBLESHOOTING ERROR CODES
Error Code "08" Stage 1, 2, 3, or 4 - This indicates Igniter Failure
On Display Board red light is on "Ignitor Fail" Red LED for indicated Stage - On
Display Window will show "LOCO 08".
This is an electrical feedback from the HSI.
Power is "ON" - Plugs are in receptacles
Ignition Control Board
Terminal Boards (strips)
located inside bottom of
Control Box
Lockout
Status
If error code is … … then
Hard

igniter did not receive 120V or did not stay on. The igniter did not
meet the minimum threshold amps of 2.7 to continue(approximately)
23 seconds Pre-"trial for ignition" time
81

check connection to ICB CN5 of Stage indicated to igniter.
082

perform continuity check - (40 - 70 Ohms, igniter cold) Check
resistance on igniter.
084

check for 120 VAC to neutral on TB 4 Terminal 1 to ICB CN1, Pin 1
(if not 120V,
check F1 fuse)
084

replace igniter.

replace board or correct wiring as indicated.
"08?" indicates Igniter Failure. The last number in the code is the Stage (Ex. 081 = Stage 1)