Trane S8V2A040M3PC Installation, Operation And Maintenance Manual page 60

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
GETTING STARTED
Is the IFC Seven
Segment LED on? NO
YES
What is the fault
code? See FAULT
LED Codes page
Go to L6F
DEFINITION :
Internal Failure of the Control Board
60
Is 120 VAC
measured at NO
transformer?
YES
YES
Is 24 VAC
measured at NO Replace Xfmr
transformer?
YES
Is 24 VAC
measured at TH
NO
and TR at IFC?
YES
Replace IFC
Is 120 VAC measured
NO
between Line and
Neutral at the IFC?
and Neutral at J-
Verify Panel Loop is
Repair wiring
Refer to Gas Furnace Silicon Nitride Igniter Models
Service Manual to supplement this informa on.
Publica on Number 34-3405-08
E01 Fault Code
Replace IFC
Is 120 VAC
measured
between Line NO Repair high voltage
box?
YES
connected
S8V2-SVX001-1A-EN