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Page 40
Have battery load checked
and load tested, charge if
low and replace if
necessary. Allow water to
cool 2 minutes before
shutting o engine
Battery voltage low
Engine RPM should be
3600 RPM with no load
RPM too low
Check engine charging
system - Must have
16 ampere output minimum
Engine charging system is
faulty
Adjust electrodes to
maximum 1/8” gap
Electrodes misadjusted
Fuel pump pressure should
be approximately 100 to
140 PSI
Fuel pump pressure too high
Adjust for proper burn
Air band open too far
Check amp draw of burner
motor - should be 13
amperes or less. Check
amp draw of transformer,
should be 4.2 amperes or
less
Burner amp draw too high
Battery keeps losing
voltage (For 12 volt
burner systems)
Problem Probable Cause Remedy
Decrease fuel pump
pressure and/or nozzle size
Burner input too high for
conditions
Clean or replace nozzle of
proper size. Descale coil
and clear obstructions
Water ow restricted
Reset or replace
temperature limit switch
High temperature limit switch
faulty or set too high
Discharge
water temperature
exceeds recommended
operating temperature
Replace defective
switch(es)
Faulty ow, pressure or
vacuum switch
Replace solenoid
Faulty fuel solenoid
Burner continues to re
even when trigger on
spray gun is released
Discharge water
temperature not
reaching maximum
operating temperature
Burner input too low for
conditions
Increase fuel pump
pressure and/or nozzle size
HEATING BURNER SYSTEM cont.
For additional help or to nd your local authorized service location, call 1-877-362-4271 or
email [email protected]
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