Flame Rod Assembly - Navien NHB-055 Service Manual

4.9.5 Flame Rod Assembly

Part
Function
Failure Event
Effects
Error Code
Diagnostic
Testing/inspection
information
Flame Rod
Ignite
Ignite gap distance : 3.5~4.5mm (1/8")
Version 1.0
Continuously discharges 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
NHB Service Manual 69