Mi-T-M HVS Serie Manual Del Operador página 22

SYMPTOM
Blower motor will not run.
(Burner will not ignite without
blower running)
Blower runs, but burner will not
ignite
Blower runs, burner ignites but
will not heat
22
TROUBLESHOOTING
PROBABLE CAUSE
Generator malfunction.
Burner/Blower motor malfunction.
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 safety devices to
shut down burner.)
Pressure switch override.
No voltage.
Poor or improper fuel supply.
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 adjustment.
Faulty ignition module.
Ignition electrodes damaged or worn.
Thermostat knob is OFF.
Detergent valve is open, but detergent
hose is not completely submerged in
solution. (This causes safety devices to
shut down burner.)
Poor or improper fuel supply.
Dirty or clogged fuel filter or fuel water
separator.
Low fuel pump pressure.
Dirty or clogged fuel nozzle.
Improper burner air adjustment.
Scale build up in heat exchanger coil.
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 solu-
tion.
Pressure switch override.
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 Cus-
tomer Service.
Adjust or replace electrodes. Consult
your Customer Service.
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.
Operator's Manual