Mi-T-M Corporation HS Serie Manuel De L'opérateur page 23

SYMPTOM
Blower runs, burner
ignites but will not heat.
Burner runs erratically.
Burner discharges white
smoke.
Burner discharges black
smoke.
Operator's Manual
TROUBLESHOOTING
PROBABLE CAUSE
Thermostat knob is OFF.
Detergent valve is open,
but detergent hose is
not completely sub-
merged in solution. (This
causes safety devices to
shut down burner.)
Poor or improper fuel sup-
ply.
Dirty or clogged fuel filter
or fuel water separator.
Low fuel pump pressure.
Dirty or clogged fuel
nozzle.
Improper burner air adjust-
ment.
Scale build up in heat
exchanger coil.
Water in the fuel oil.
Dirty fuel filter or fuel water
separator.
Dirty fuel nozzle.
Improper air adjustment
setting.
Fuel pump malfunction-
ing.
Low on fuel.
Excessive air supply.
Insufficient air supply.
REMEDY
Check thermostat knob position.
Close valve, or completely clear vinyl hose into detergent
solution.
Check fuel to ensure it is correct. Drain tank and filter if
necessary and refill with proper fuel.
Drain or replace as necessary.
Check fuel pump pressure, adjust or replace if needed.
Replace fuel nozzle.
Adjust
Consult the Service Department.
Replace fuel filter or drain fuel water separator, drain fuel
tank and replace with clean fuel.
Replace element.
Replace
Adjust.
Replace
Refuel. If white smoke persists consult the Service Depart-
ment.
Adjust
Adjust.
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