Mi-T-M HSP Serie Manual Del Usuario página 21

SYMPTOM
Water is leaking under heat
exchanger coil.
Burner will not ignite
Burner runs erratically.
Burner runs, but will not heat.
Burner discharges white smoke.
Burner discharges black smoke.
Mi-T-M HSP-SERIES Operator's Manual
®
TROUBLESHOOTING
PROBABLE CAUSE
Coil drain plug is not installed.
Safety relief device is relieving
caused by an unloader or pressure
switch problem.
Burner switch is not turned on.
Out of fuel.
Trigger gun is closed.
EMF Drive belt loose or broken.
Flexible coupler broken.
Dirty or clogged fuel filter/water sep.
Fuel pump sucking air.
Fuel pump inoperative.
Fuel pickup screen is obstructed.
Dirty or clogged fuel nozzle.
Ignition module.
Ignition electrodes damaged or worn.
No voltage.
Pressure switch override.
High limit switch override.
Improper burner air adjustment.
Fuel solenoid valve failure.
Water in the fuel oil.
Dirty fuel filter/water separator.
Dirty fuel nozzle.
Improper air adjustment setting.
Fuel pickup screen is obstructed.
Fuel pump malfunctioning.
Poor or improper fuel supply.
Low fuel pump pressure.
Dirty fuel nozzle.
Improper air adjustment setting.
Fuel pickup screen is obstructed.
Scale build up in heat exchanger coil.
Low on fuel.
Excessive air supply.
Insufficient air supply.
REMEDY
Install.
1. Detect and correct unloader or
p r e s s u r e s w i t c h p r o b l e m .
2. Replace safety relief device.
NEVER run unit without safety
relief device. Doing so can cause
an explosion!
Check switch position.
Refuel.
Open trigger gun for pressure.
Adjust or replace as necessary.
Replace.
Drain or replace as necessary.
Tighten all fuel intake connections.
Eliminate leaks in intake line.
Check pressure, replace if needed.
Consult Service.
Replace fuel nozzle.
Consult Service.
With unit running and trigger gun
closed, look through burner sight
glass to ensure there is sparking
across electrodes.
Consult Service.
Pressure should be over 250 PSI/
18 Bar to allow burner to come on.
Allow unit to cool down before
reigniting.
Adjust as shown on page 18.
Replace.
Drain fuel filter/water separator,
drain fuel tank and replace with
clean fuel.
Replace element.
Replace.
Adjust as shown on page 18.
Consult Service.
Replace.
Check fuel to ensure it is correct.
Drain tank and filter if necessary
and refill with proper fuel.
Check fuel pump pressure, replace
if needed.
Replace.
Adjust as shown on page 18.
Consult Service.
Consult Service.
Refuel. If white smoke persists,
consult Service.
Adjust as shown on page 18.
Adjust as shown on page 18.
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