Troubleshooting - Mi-T-M Corporation HGM Serie Mode D'emploi

SYMPTOM
Before start-up, you smell gas
around the machine.
Burner will not ignite.
Water is leaking under heat
exchanger coil.
HGM-SERIES Hot Water Heater module Operator's Manual

troublesHooting

PROBABLE CAUSE
Gas is leaking.
Burner switch is not on.
Thermostat knob is OFF.
Trigger gun is closed.
Vacuum or pressure switch failure.
Gas valve safety lock-out.
Inadequate gas supply.
Gas line obstruction.
Ignition module failure.
Gas valve failure.
Condensation.
Ruptured heat exchanger coil.
REMEDY
Go to another location and call your gas
supplier for instructions, or if you
cannot reach the supplier, call the
fire department.
Check switch position.
Check thermostat knob position.
Open trigger gun for pressure.
Repair or replace.
Release trigger on gun or switch
burner switch "OFF" for 60 seconds.
Check gas supply.
Check gas pressure.
Replace.
Replace.
May occur in cool, humid conditions.
coil. (See pg. 8, "IMPORTANT" nota-
tion.)
Replace.
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