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NO
Replace IFC
Check opera on
DIAGRAM #1
S9V2-VS-SVX001-1C-EN
Serial Motor
Troubleshoo ng
Is ~12VDC measured
from terminals 1 (12V)
and 3 (GND) at the
IFC?
Is 120 VAC measured at
the line voltage connector
at the motor? (5 pin
NO
connector terminals 4 and
5)
YES
Remove the serial
motor wiring
harness at the IFC.
Apply 24 VAC to
wires 3 & 4.
Does motor run?
NO
YES
Replace IFC. Check
opera on
#4 = WHITE wire, connects to TX
#3 = BLACK wire, connects to GND
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
Correct, replace wiring.
Check opera on
See diagram #1 below
See diagram #2 below
Replace motor.
Check opera on
DIAGRAM #2
113
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