Desa Tech HEATERS OWNER'S MANUAL Electric Heater User Manual


 
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110098-01G 9
OBSERVED PROBLEM
Heater will not ignite, but motor
runs for a short period of time.
REMEDY
1. A) Add fuel to tank
B) Check fuel tank for bubbles
of water in bottom. If found,
remove fuel (see Storing,
Transporting or
Shipping,
page 6). Clean tank and fuel
filters (see Fuel Filters, page
14). Fill with clean fuel
C) Remove wrong fuel (see
Storing, Transporting or
Ship-
ping, page 6). Clean tank and
fuel filters (see Fuel Filters,
page 14). Fill with correct
fuel
2. Replace nozzle (see Nozzle,
page 11)
3. Move heater to warmer place
until fuel flows freely
4. Clean fuel filters (see Fuel
Filters, page 14)
5. Adjust pump pressure (see
Pump Pressure Adjustment
sections, page 12)
6. Connect spark plug wire to
spark plug
7. A) Adjust electrode gap to .075"
(see Spark Plug, page 11)
B) Clean fuel from spark plug
with clean, soft cloth
C) Replace plug if heavily
coated with carbon (see Spark
Plug, page 11)
D) Inspect plug for worn or
eroded electrodes. If found,
replace plug (see Spark Plug,
page 11)
8. Check electrical connections
and voltage to solenoid. If
good, replace solenoid valve
9. Replace electronic ignitor
POSSIBLE CAUSE
1. A) Fuel tank empty
B) Water in fuel
C) Wrong fuel
2. Dirt in nozzle
3. Very low temperature may
cause fuel to thicken and not
flow
4. Dirty fuel filters
5. Wrong pump pressure
6. Spark plug wire disconnected
from plug
7. Spark plug problems due to:
A) Wrong gap
B) Plug wet with fuel
C) Carbon deposits on plug
D) Damaged plug
8. Solenoid valve not opening
9. Damaged electronic ignitor
TROUBLESHOOTING
Continued
WARNING: High Voltage!