Olivetti d-color MF651, Service Manual, Page: 845 / 1053

Field Service Ver. 2.0 Jul. 2009 19. TROUBLE CODE
785
TROUBLESHOOTING
(2) When FS-527 is installed
19.5.49 C1183: Elevate drive malfunction
Relevant parts
Tray2 shift motor (M16)
Tray2 shift home sensor (PS25) FS control board (FSCB)
Step Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1
Check the motor and sensor connectors for
proper connection, and correct as neces-
sary.
— —
2
Check the connector of M16 for proper
drive coupling, and correct as necessary.
— —
3 PS25 I/O check, sensor check FSCB PJ21-6 (ON) FS-527 J-3
4 M16 operation check FSCB PJ5-5 (REM) FS-527 B to C-9
5 Change M16 — —
6 Change FSCB — —
Relevant parts
Elevate motor (M15)
Tray1 lower position sensor (PS21)
Tray1 upper position sensor (PS24)
Tray1 upper position switch (SW2)
Tray1 lower position switch (SW3) FS control board (FSCB)
Step Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1
Check the motor and sensor connectors for
proper connection, and correct as neces-
sary.
— —
2
Check the connector of M15 for proper
drive coupling, and correct as necessary.
— —
3 PS21 I/O check, sensor check FSCB PJ21-3 (ON) FS-527 J-3
4 PS24 I/O check, sensor check FSCB PJ16-9 (ON) FS-527 J-4
5 SW2 I/O check, sensor check FSCB PJ3-2 (ON)
FS-527
B to C-10
6 SW3 I/O check, sensor check FSCB PJ3-2 (ON)
FS-527
B to C-10
7 M15 operation check FSCB PJ4-1 to 11 FS-527 B to C-4
8 Change M15 — —
9 Change FSCB — —
Y110571-1 Service Manual