Trane A952V040BU3SB Installation, Operation And Maintenance Manual page 120

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:
This fault is generated when the PM
and the IFC informa on is corrupted
DEFINITION:
This fault is generated when IFC does
not see a return signal from the blower
motor
Install and/or fully
Install and/or fully
Install and/or fully
120
15 Fault Code
Disconnect power
Possible causes
PM corrupted
Faulty IFC
17 Fault Code
Disconnect power
Is 4 pin motor
communica on
NO connector installed
seat
and fully seated on
the IFC?
YES
Is 9 pin connector at
the blower ves bule
NO
seat panel installed and
fully seated?
YES
Is 4 pin connector at
the blower installed
NO
seat
and fully seated?
YES
Verify con nuity of all
motor wiring and replace
motor if required
A952V-SVX001-1B-EN