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6-111
GY-2120WD/WS
In case of NG:
When the threading ring operation is detective:
.
Confirm that there is no mechanical abnormality.
.
Check the threading motor drive circuit (DR-327 board or MS-54 board).
.
Check the threading motor.
When the threading ring is in the thread end/unthread end state but message “
............
” is displayed:
.
Check the thread end sensor or unthread end sensor (TR-79 board).
.
Check the sensor input port of a CPU (MA-83 board).
6-2. Description of Commands
Unthreading end sensor
Threading ring
Threading end sensor
Theading motor
< Upper-side view >
Summary of Contents for GY-2120WD
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Page 437: ...7 3 GY 2120WD WS Index Mechanical Deck Overall Block 6 7 9 8 2 1 3 4 5 ...
Page 469: ...8 1 GY 2120WD WS 8 1 Section 8 Block Diagrams Frame Wiring ...
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