ICB - Flashing Code 2

Trane Package Unit: YCH

Re: Heating - Code 2

Code 2 = Failed to Sense or Sustain Flame (3 tries)


Qty Possible Causes:
2 Bad Glow Plug
Bad Ignition Control Board (ICB)
Bad Gas Valve
No Gas
Busted Burner

CHECKOUT:

1. Prepare for Testing


2. Check Inducer Motor


3. Check the Glow Plug


4. Check Gas Pressure/Gas Valve



Article ID: 448
Last updated: 07 Mar, 2023
Revision: 6
Equipment -> Rooftop Units -> Trane -> YCH -> ICB - Flashing Code 2
https://ghac.makekb.com/entry/448/