Flame Rod Assembly - Navien NCB-150E Service Manual

4.9.5 Flame Rod Assembly

Part
Function
Failure Event
Effects
Error Code
Diagnostic
Color/Number of wires
Ignite
Flame Rod
Ignite gap distance : 3.5-4.5mm (1/8")
68 NCB-E Service Manual
To ignite gas by repeatedly discharging a high voltage spark to the main burner until gas ignites.
1. Unable to ignite during the ignition process.
2. Produces multiple unsuccessful attempts to ignite.
1. The unit cannot ignite during the ignition process and "E003" or "E004" error codes will display.
2. Durability of the igniter wears down
E003, E004, E012
Visual inspection: Check wire connections are secure.
BLACK: 0-10 uA
Bracket
Check Point
Version 1.4