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

SYMPTOM
Water is leaking under heat
exchanger coil.
Burner will not ignite
22
troublesHooting
fOR CUsTOmER sERvICE CAll: 1-800-648-8478
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.
REMEDY
Install.
. 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 Customer Service.
Replace fuel nozzle.
Consult Customer Service.
With unit running and trigger gun
closed, look through burner sight
glass to ensure there is sparking
across electrodes.
Consult Customer Service.
Pressure should be over 250 PSI/
8 Bar to allow burner to come on.
Allow unit to cool down before
reigniting.
Adjust.
Replace.
GH-Series Operator's Manual