Are serial motor
wires firmly connected
to motor and IFC?
Is 120 VAC measured at
the line voltage connector
at the motor? (5 pin
connector terminals
4 and
5)
Correct, replace wiring.
Check opera!on
NO
YES
Remove the serial
motor wiring
harness at the IFC.
Apply 24 VAC to
wires 3 & 4.
Does motor run?
Replace motor.
Check opera!on
NO
Replace IFC. Check
opera!on
YES
See diagram #2 below
#4 = WHITE wire, connects to TX
#3 = BLACK wire, connects to GND
E17 Fault Code
DIAGRAM #1
DIAGRAM #2
DEFINITION:
This fault is most likely due to intermi"ent
low voltage control wiring connec!ons.
Insure wiring is per the wiring diagram and
connec!ons are secure and fully seated.
NO
See diagram
#1 below
Correct, replace wiring.
Check opera!on
YES
FTH: VS Serial Port Motors
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