Pilot Spark - A.O. Smith 120 trough 500 Service Handbook

STEP 13
STEP 13. PILOT SPARK TEST. Visually check for spark at the pilot assembly.
Note: The pilot burner mounts on the left side of the main burner.
IF
The igniter is not sparking:
Sparking is present:
Power To Module May Be Interrupted To Reset .
90 sec.
Call for Sparking
heat
A.O. Smith Water Products
Irving, Texas ©2000
BTR TANK TYPE HEATERS
SERVICE HANDBOOK
PILOT SPARK TEST
Trial for Ignition
5 min. 90 sec.
No Sparking
Sparking
34
THEN
Check for:
• A 7/64" spark gap
• Spark cable continuity
• Ground cable continuity
• Go to step 14.
5 min. 90 sec.
No Sparking
Sparking
Continuous
Trial
Sequence
Service Handbook
Training Department