Troubleshooting - Mi-T-M HOM Série Mode D'emploi

SYMPTOM
Water is leaking under heat
exchanger coil.
Burner will not ignite
HOM-SERIES Hot Water Heater module Operator's Manual

trOuBlesHOOting

PROBABLE CAUSE
Condensation.
Ruptured heat exchanger coil.
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.
Fuel pickup screen is obstructed.
Temperature above thermostat
setting.
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.
REMEDY
May occur in cool, humid conditions.
Replace.
Check switch position or replace.
Check switch position or replace.
Contact Customer Service.
Refuel.
Open trigger gun for pressure.
Remove, clean or replace.
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 8.
Replace.
Contact Customer Service.
Replace.
Verify burner switch is in the
"ON" position.
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