Detroit Radiant Products Company LS3 Series User Manual
Page 49
49
LS3
Series
Chart 4.1 •
LED Diagnostic Codes - Capable Controls Board
Chart 4.2 •
LED Diagnostic Codes - Fenwal Circuit Board
Figure 4.1
•
Operational Indicator Lights
LED CODE
FAULT STATUS
FAULT CODE DELAY*
Initial flash (Red) on power up
Normal operation
Immediate
Steady flash (Green) during Ignition
Normal operation
Immediate
Steady on (Green) after flame sense.
Normal operation
1 minute
1 flash (Red)
Ignition failure
3 minutes
2 flashes (Red)
Ignitor error
12 seconds
3 flashes (Red)
Gas valve error
4 flashes (Red)
Line voltage frq. error
5 flashes (Red)
Internal control error
6 flashes (Red)
Pressure switch error
*Some LED codes have a time delay before the LED will flash.
NEUTRAL
EARTH
HOT
- 120V HEATER INPUT -
120V
Light 2
Indicates pressure
switches are closed
Light 1
Indicates valve is
energized
Operational Indicator Lights
4.0
Operation
•
Diagnostics
*Some LED codes have a time delay before the LED will flash.
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
32 minutes
2 flashes
APS 1 failure
12 minutes
3 flashes
APS 2 failure
22 minutes
4 flashes
Solenoid valve fault/Leaky
valve/Flame amplifier fault
Immediate
No flash on 117V start-up
Transformer fault
Immediate