Trane A951X040BD3SAC - Page 98

98
A951X-SVX001-1D-EN
DEFINITION:
Flame is sensed when it
should not be sensed.
Disconnect electrical
power to furnace
Is there a drip leg installed
on inlet gas piping per
installaon instrucons?
Using a back-up wrench,
install new gas valve
Check operaon
Inspect gas supply
for leaks and have
gas supplier check
gas quality
Are there signs of
moisture or debris in the
inlet gas screen?
YES
Install drip leg per
Naonal Fuel Gas
Code and
Installaon
Instrucons
YES
NO
NO
Turn off gas supply!
Remove gas valve
5.0 Fault Code
TTrroouubblleesshhoooottiinngg