Troubleshooting Chart 6 - Dunkirk DMG-240 Installation, Operation & Maintenance Manual

Check gas inlet pressure at least
equals rating plate requirements
Check venting. Is
exhaust gas recirculating
to the air intake?
NO
Remove igniter and
inspect. Is there damage
or contamination?
YES NO
Clean or
Replace Igniter
Check venting for obstruction
and/or wind effects
YES
Clear Vent
Obstruction
13 - TROUBLE SHOOTING

Troubleshooting Chart 6

LP Conversion kit installed?
NO
Install LP
Conversion Kit
Are ground wires
attached? Is boiler
properly grounded?
YES
Has all air been purged
from gas line?
YES
YES NO
YES
Refer to section 6 of IOM and correct
Restart boiler. Go to display
and check flame current. Is
there at least 3 mA?
NO YES
NO
Replace
Check interior of heat exchanger for
Spark
Generator
Replace gas
E36 - Burner Flame Loss
LP Installation?
NO
YES
YES
Is gas shutoff valve fully
Check all wires including
igniter and gas valve are
connected and tight.
YES NO
NO
NO
Purge all air from gas line.
Check gas line for obstructions
vent terminations
Remove burner and inspect. Any
sign of damage to burner surface?
NO
debris or signs of blockage
NO
YES
Clean Heat
Exchanger
valve
80
open?
NO
YES
Open Gas shutoff valve.
Connect all wires assure secure fit.
Provide proper ground.
YES
P/N 240011656, Rev. E [07/30/2018]
Replace
Burner