TROUBLESHOOTING
MOTOR RUNS, BUT NO COMBUSTION (CONTINUED)
CAUSE REMEDY
Ignition pack defective or inoperative...................................................Check for spark by holding an insulated-handle
screwdriver with the shaft grounded and the tip
approximately 1/8” away from the high tension lug
of the ignition coil. There should be a continuous
strong spark. If no spark is produced, check that
there is voltage applied to the ignition pack. If input
voltage is present and no spark or a weak spark is
produced, replace or repair the ignition pack.
Tilt switch defective, improperly
mounted or not getting power ...............................................................Check tilt switch. The switch must be secure in its
bracket and be in the vertical position with the elec-
trical leads pointing down. Check leads on both
sides of switch for power. Replace if defective.
Igniter defective or inoperative .............................................................Check the igniter. To check, shut off the fuel tank
and depress the start switch until the lines are
purged of fuel. Remove the burner head and check
the gap between the igniter and the burner tube. It
should be 1/16” to 1/8”. With the burner head
grounded, move the START-RUN-OFF switch to the
START position and check the gap for spark. If no
spark is produced, the igniter may be dirty or defec-
tive. Before removing the igniter from burner head,
check inside the burner head to determine if any car-
bon threads or chips are present which could short
the plug.
Fuel not suitable for temperatures encountered ....................................Check with your propane supplier to be sure your
fuel is suitable for the temperatures encountered.
Around -10°F, propane may not produce enough
pressure to pass through the regulator.
RT700 Series Page 5 - 33 Issued: August 2003
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