Mi-T-M HHB Serie Manual Del Usuario página 23

SYMPTOM
Water flows back into detergent
container.
Water flows from the nozzle when the
trigger gun is locked in the "OFF"
position.
Water is leaking under the unit.
Burner will not ignite
Operator's Manual
TROUBLESHOOTING
PROBABLE CAUSE
Check valve in detergent strainer
missing or corroded.
Trigger gun is malfunctioning.
Safety Relief device is relieving
caused by an unloader or pressure
switch malfunction.
Switch is defective.
Adjustable Thermostat is defective
or in the "Off" position.
No voltage.
Out of fuel.
Fuel tank inlet tube screen obstructed. Remove, clean or replace tube.*
Trigger gun is closed.
Pressure switch override.
Fuel pickup screen is obstructed.
Temperature above thermostat
setting.
High limit switch override.
Flexible coupler broken.
Dirty or clogged fuel filter.
Fuel pump sucking air.
Fuel pump inoperative.
Dirty or clogged fuel nozzle.
Improper burner air adjustment.
Ignition transformer failure.
Ignition electrodes not set properly,
damaged or worn.
Fuel solenoid valve failure.
High PSI mode.
*See separate Parts List for detailed views or explanations.
REMEDY
Remove, clean or replace.
Repair or replace.*
1. Detect and correct unloader or
pressure switch problem.*
2. Replace safety relief device.
NEVER run unit without safety
relief device. Doing so can
cause an explosion!*
Check switch position or replace.
Check switch position or replace.
Contact Customer Service.
Refuel.
Open trigger gun for pressure.
Pressure should be over 250 PSI/
15 Bar to allow burner to come on.
(Pressure should be checked by an
authorized service technician.)
Contact Customer Service.
Unit will automatically reignite when
cool.
Unit will automatically reignite when
cool.
Replace.*
Drain or replace as necessary.*
Tighten all fuel intake connections.
Eliminate leaks in intake line.
Check pressure, replace if needed.
(Pressure should be checked by an
authorized service technician.)
Replace.*
Adjust as explained on page 20.
Replace.*
Contact Customer Service.
Replace.*
Verify burner switch is in the
"ON" position.
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