
8
LED CODE
FAULT STATUS
FAULT CODE DELAY
Initial flash on power up,
then steady off
Normal operation
Immediate
Steady on
Module failure / Internal fault
Immediate
1 flash
Ignition failure
30-32 minutes
2 or 3 flashes
APS - Note: fan / intake / exhaust
10-12 minutes
4 flashes
Solenoid valve fault / Leaky valve /
Flame amplifier fault
Immediate
No flash on 117V start up
Transformer fault
Immediate
PROVIDE 24
VOLTS ONLY
Note: This heater has a
24 Volt control system.
Do not connect 120 volt
power supply, as it will
damage the controls.
F/N: LLV3EP6
VALVE
PS
PRESSURE
SWITCH
V
CAUTION:
KEEP COVER IN PLACE
REMOVE FOR SERVICE
ONLY
ATTENTION:
GARDER LE COUVERCLE
EN PLACE N’ENLEVER
QUE POUR L’ENTRETIEN
DX2
Series
Radiant
Tube(s)
Primary Combustion
Chamber
16” Burner Tube
Left Panel
(Fan Compartment)
2.0
Safety •
Safety Labels and Locations
CAUTION:
KEEP COVER IN PLACE
REMOVE FOR SERVICE
ONLY
ATTENTION:
GARDER LE COUVERCLE
EN PLACE N’ENLEVER
QUE POUR L’ENTRETIEN
Yellow Titanium Alloy Tag
(150,000 BTU/H models and greater)