POSSIBLE CAUSE:
Faulty Solenoid.
REMEDY:
Ensure solenoid is energized.
(use volt meter)
Ensure plunger in the solenoid is being
activated. (use manometer at test point
after solenoid)
(use volt meter)
POSSIBLE CAUSE:
Incorrect Gas Supply.
REMEDY:
Ensure required gas supply pressures
are supplied to the heater.
(see approval label)
POSSIBLE CAUSE:
Spark Plug.
REMEDY:
Ensure gap in spark plug is approx. 3/16".
Check spark plug wire connections.
Ensure spark plug has good spark.
Replace spark plug if necessary.
POSSIBLE CAUSE:
Ignition Board
REMEDY:
Ensure electrical signals for both spark
plug and solenoid are present.
(use volt meter)
Ensure ignition board is properly
grounded.
POSSIBLE CAUSE:
Thermostat.
REMEDY:
Ensure the thermostat is calling
for heat.
