Brant Radiant Heaters DX3L Series Manual page 58

Continued from page 56
Does the burner
No
light?
Yes
Does the burner
No
stay on?
Yes
Does the heater
stay on until
No
the call for heat
ends?
Yes
Troubleshooting ends.
For more information, contact
your local representative or the
factory for further assistance.
Is the gas supply valve
to the heater in the 'ON'
position?
Turn on gas
No
supply line.
Do the burners light and
then shut off immediately
(within 1-2 seconds)?
Yes
Check inlet pressure and
limit switches.
The heater can shut down due to:
• Improper grounding
• High winds.
• Taking combustion air from the attic.
• Dirty environment.
• Fluctuating gas pressure.
• Pressure switch opening.
58
Were the gas lines purged
Yes
of air?
Purge gas
No
Does the burner stay on
No
for approximately 8-10
seconds and then shut off?
No
Check circuit board for flash
codes. Consult factory.
DX3L Series
Yes
line.
Yes