Sears 583.35601 - Manual (Page 9)

TROUBLESHOOTING YOUR HEATER
TROUBLE POSSIBLE CAUSE POSSIBLE REMEDY PAGE
ELECTRICAL TROUBLES
Heater is plugged in but
motor does not start;
thermostat (if used) is set
to call for heat but motor
does not start.
1. No power or low voltage at heater.
2. Safety control not functioning.
3. Motor not functioning.
4. Thermostat control (if used) not
functioning.
la. Press reset button on safety control.
lb. Be sure outlet is delivering adequate
voltage.
lc. Check condition of heater and
extension cord. Repair or replace.
l d. Be sure extension cord complies with
requirements as stated in this manual.
2. Replace safety control.
3. Check motor. Replace if necessary.
4.
Replace thermostat control.
MECHANICAL TROUBLES
1. Fan obstructed by mechanical
damage or dirt.
la. Check for bent sheetmetal shells or
shrouds; replace if necessary.
lb. Check for damaged fan; clean or replace
if necessary.
lc. Check for damaged motor mounting
bracket; replace if necessary.
l d. Check pump for easy rotation; clean
or replace if necessary.
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FUEL SYSTEM TROUBLES
Heater will not ignite, but
motor runs for a short time. 1. Fuel tank empty; water in fuel;
wrong fuel.
Fuel filter clogged.
Nozzle plugged or damaged.
4. Extremely low temperature may
cause fuel to thicken and not flow.
5. Dirty air filters.
6. Air leak at fuel filter.
la. Fill tank if empty.
lb. Check for water in tank; clean tank and
fuel filter if water is found (water in the
tank will form globules in the bottom
which can be seen).
lc. Add fresh, clean fuel to tank.
2. Remove and wash in clean fuel.
Reinstall.
3a. Clean by blowing compressed air through
nozzle from outlet end.
3b. Replace nozzle if cleaning does not solve
problem.
Add a nontoxic anti-icer such as "Heet",
Methanol Alcohol, or "Frostex", to
fuel.
Clean air filters.
Check fuel tank to fuel filter fit and fuel
line to fuel filter fit for air leaks. Seal as
necessary.
4.
IGNITION TROUBLES
CAUTION: DISCONNECT HEATER CORD
1. Spark plug wire disconnected,
from plug.
2. Damaged spark plug (wrong gap;
plug wet with fuel; electrodes
carboned; or plug damaged).
1. Install wire on plug.
3. Damaged transformer.
2a. Gap between electrodes should be 0.050"
or about thickness of a dime. Adjust
electrode gap.
2b. Dry plug.
2c. Inspect plug for worn or eroded
electrodes, replace if necessary.
2d. Replace a damaged spark plug.
CAUTION: HIGH VOLTAGE
3. Unplug heater cord, disconnect spark
plug wire and connect heater cord.
Check transformer for spark; replace
if no spark can be obtained.
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