Propane and Natural Gas Portable Heaters Manual
17
TROUBLESHOOTING
SYMPTOM
PROBABLE CAUSE
REMEDY
Heater will not light
Gas supply
Ensure required gas supply pressures
are available to the heater (see ap-
proval label for specifications).
Gas Valve / Solenoid
Ensure solenoid is energized (use volt
meter to measure).
Ensure plunger in solenoid is being
activated (use manometer at test point
after solenoid).
Igniter/Flame sensor
Ensure the gap between the igniter
and sensor is approximately 1/8 – 3/16
inch. DO NOT adjust the porcelain side
of the igniter or permanent damage
may result.
Check igniter wire connections.
Ensure igniter spark is strong.
Replace igniter if necessary.
Ignition Board
Ensure electrical signals for igniter and
gas valve / solenoid are present.
Ensure ignition board is properly
grounded.
Adjust this side
only
Note location of igniter sensor
Typical igniton board.