Trane A801X026AM2SC Installation, Operation And Maintenance Manual page 58

T T r r o o u u b b l l e e s s h h o o o o t t i i n n g g
DEFINITION
Limit switches are safety devices
that will open when an abnormal
high temperature has been
sensed.
REMOVE ALL JUMPER WIRING TO
SWITCHES!
Under no circumstances, shall
these switches be le jumpered
when not troubleshoo ng.
Check burner alignment
Correct as needed
Check opera on
58
Disconnect electrical
Correct as needed
YES
Check opera on
Remove, clean, and
reassemble burners.
Push RED reset on
both rollout switches
furnace and call for
NO
burners impinging on
YES
4.0 Fault Code
Flame Rollout
power to furnace
Is flue piping
restricted?
NO
Cycle power to
Are all burner flames directed
heat
into heat exchanger with a
ght pa ern? (inadequately
aired burners tend to roll
Igni on occurs
Do all burners
ignite within 5
NO
seconds?
YES
Are flames from
sides of heat
exchanger?
YES
back)
NO
When fan comes
on, do flames NO
stay consistent?
YES
Replace Roll out
switch
Check opera on
A801X-SVX001-1A-EN
Check combus on air
blower, ven ng, heat
exchanger for blockage
(i.e. soo ng)
Replace heat
exchanger
Check opera on