OK
.
Check Grey and White/Blue cables
•
Check continuity of Grey cable and White/Blue cable between probe connector and instrument board wiring
connector.
•
Tester (Ω).
OK
Replace instrument board
CLOCK DOES NOT WORK
1.
Check voltage
•
Detach two-way connector of clock.
•
Connect Tester (0 v DC) as follows:
•
Terminal (+) of Tester
•
Terminal (-) of Tester
•
Power measured must be > 1 v (key "OFF").
OK
Clock is faulty: replace it.
S I G N A L L I N G S Y S T E M
Wiring is interrupted (Grey and/or White/Blue cable):
repair it.
See "Wiring Diagram" (P. 8).
Blue/Red cable(1).
Black cable ().
Blue/Red or Black is interrupted: repair it.
See "Wiring Diagram" (P. 8).
NO
NO
4
Tester (DC 0 v)
1
GR
BL-R
R
B-BL
N
N
BL
VR
VL
B-N
RS
F. 31