Mi-T-M Corporation HS Serie Manuel De L'opérateur page 22

SYMPTOM
Blower motor will not
run. (Burner will not
ignite without blower
running)
Blower runs, but burner
will not ignite.
Blower runs, but burner
will not ignite.
22
TROUBLESHOOTING
PROBABLE CAUSE
Generator malfunction.
Burner/Blower motor mal-
function.
Belt broken or slipping on
generator.
Burner switch is not turned
on.
Thermostat knob is OFF.
Trigger gun is closed.
Out of fuel.
Detergent valve is open,
but detergent hose is not
completely submerged in
solution. (This causes safe-
ty devices to shut down
burner.)
Pressure switch override.
No voltage.
Poor or improper fuel sup-
ply.
Fuel pump sucking air.
Dirty or clogged fuel filter
or fuel water separator.
Low fuel pump pressure.
Fuel pump inoperative.
Flexible coupler broken.
Fuel solenoid valve failure.
Dirty or clogged fuel
nozzle.
Improper burner air adjust-
ment.
Faulty ignition module.
Ignition electrodes dam-
aged or worn.
REMEDY
Repair or replace
Repair or replace.
Adjust or replace as necessary.
Check switch position.
Check thermostat knob position.
Open gun for pressure.
Refuel.
Close valve, or completely submerge clear vinyl hose into
detergent solution.
Pressure should be over 375 PSI to allow burner to come
on.
Consult Service Department.
Check fuel to ensure it is correct. Drain tank and filter if
necessary and refill with proper fuel.
Tighten all fuel intake connections. Eliminate leaks in intake
line.
Drain or replace as necessary.
Check fuel pump pressure, adjust or replace as necessary.
Check pressure, replace if necessary.
Replace.
Replace.
Replace fuel nozzle.
Adjust
Repair or replace. Consult your Customer Service.
Adjust or replace electrodes. Consult your Customer Ser-
vice
Operator's Manual