Flame Rod Assembly - Navien NPE-180A Service Manual

4.11.5 Flame Rod Assembly

Part
Function 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.
Failure Event
2. Produces multiple unsuccessful attempts to ignite.
1. The unit cannot ignite during the ignition process and "E003" or "E004" error codes will display.
Effects
2. Durability of the igniter wears down
Error Code E003, E004, E012
Diagnostic Visual inspection: Connection and/or breakage of wires.
Color/Number
of wires
Igniter
Gap distance : 3.5~4.5mm (1/8")
62 NPE Service Manual
Check Point
BLACK: 0~10 uA
Bracket
Flame rod
Version 2.21