Troubleshooting 129
Flow Chart 0-14 E117 Error Code
E117
NEEDLE MOTOR HOME PROX NOT DETECTED
This error code is set when the controller is trying to home the needle and its motor is moving, but the
home prox doesn't turn “ON” or “OFF” as expected.
SAFETY WARNING:
The following troubleshooting procedure may require that tests be made with the electrical
enclosures open and power turned “ON”. These tests should only be conducted by authorized
personnel who are aware of the electrical and mechanical hazards present.
Verify MTR1 is moving.
Place a metal target in front of the prox,
check the needle home LED on the FTB,
does the LED turn “ON” and “OFF”?
Test prox, is prox
good?
Move the needle back and forth in front of
the prox, does the needle home LED on
the FTB turn “ON” and “OFF”?
Needle home prox
input is bad on the
Aux board, replace
Aux board.
Needle is too far
from prox, move
prox closer to
needle arm.
Replace
Proximity
switch.
Repair wiring or
connectors between
prox and main
electrical enclosure.
Yes No
Yes No Yes No
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