Sears 583.356 - Manual (Page 11)

TROUBLESHOOTING YOUR HEATER
TROUBLE POSSIBLE CAUSE POSSIBLE REMEDY PAGE
IGNITION TROUBLES
Button on safety control 1. Resetting is tried too soon after 1. Wait five (5) minutes and try again. 5
will not stay in when the safety control trips.
pressed. 2. Damaged safety control. 2. Replace safety control. —
IMPROPER FUEL-AIR MIXTURE
(Not enough fuel)
Heater burns, but puffs of 1. Heater running out of fuel; water la. Check fuel tank. If globules of water are 6
smoke can be seen; heater condensation in fuel tank; wrong seen in bottom, drain and flush tank and
will not burn steady; heater fuel. filter with clean fuel.
burns with odor; heater 1b. Fill tank with fresh, clean fuel. 3
smokes continuously. 2. Dirty air filters causing reduced 2. Remove and clean air filters. Be sure air 6
air flow through nozzle, resulting
in low fuel flow. intake is not blocked.
3. Fuel filter loose, dirty, or 3a. Remove and wash fuel filter in clean
6
connection loose. fuel.
3b. Tighten connection between fuel line
and burner.
3c. Replace fuel line if necessary.
4. Dirty nozzle. 4. Blow compressed air through nozzle
—
from outlet end. Never use a drill, wire,
or other tool to open a nozzle passage.
5. Fan blade. 5. Check for excessive dirt accumulation on 8
fan blade which could be causing motor
to slow down; wash fan.
6. Loose air output line connections 6. Tighten connections.
between filter housing and burner.
1 7. Rubber bushing on shank of nozzle 7. If heater puffs intermittently, replace
is leaking (remote possibility). the rubber bushing (handle parts
carefully to prevent damage, assemble
them carefully to preserve air-tightness).
IMPROPER FUEL-AIR MIXTURE
(Too much fuel, or not enough air for amount of fuel being supplied)
Flames come out front of 1. Dirty fan; or air passageway 1. Clean the fan. Be sure the air passageway 8
heater. through heater blocked by through the heater is clean. Keep the
dirt or trash. heater clean.
2. Fan loose or improperly located 2. Tighten or reposition fan. 8
on shaft.
3. Bent or damaged fan. 3. Replace. Do not attempt repair of fan. 8
4. High pump pressure. 4. Check pressure; adjust for proper 8
reading.
ELECTRICAL SYSTEM TROUBLES
Heater cycles intermittently 1. Damaged electrical supply or la. Be sure extension cord and heater cord 5
damaged connections. are in good condition, without
intermittent breaks in cords or prongs.
1b. Check mechanical wiring connections in 7
heater and be sure that wiring is in good
condition.
Heater ignites, but button 1. Dirty photocell face. 1. Clean face. ___
of safety control pops out. 2. Damaged photocell. 2. Replace photocell.
3. Damaged safety control. 3. Replace safety control.
—
4. Damaged electrical connections 4. Be sure ail wiring connections are secure 7
through photocell and safety and wiring is in good condition. Check
control. wiring diagram and repair or replace as
necessary.
Safety control fails to trip 1. Safety control damaged.
1. Replace safety control.
when a no-flame condition 2. Photocell electrical leads shorted. 2. Check photocell leads; replace photocell
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exists. if necessary.
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