Detroit Radiant Products Company LD3 Series - Manual (Page 49)

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LD3 Series
Figure 4.1 • Operational Indicator Lights
Light 3
Indicates High Fire
Operation
Light 1
Indicates Pressure
Switch Closes
Operational Indicator Lights
4.0 Operation • Diagnostics
Light 2
Indicates Low Fire
Operation
Chart 4.1 • LED Diagnostic Codes - Capable Controls Board
Chart 4.2 • LED Diagnostic Codes - Fenwal Circuit Board
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.
*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