DS 350 G Boom Control Troubleshooting- TMS/TTS870 / RT865 BXL
031-300-190-039 Rev. B 4/30/99
33
12. Continuation
Is the
voltage
correct?
Faulty wiring in cable connecting
the central unit and the boom
base junction box. Refer to
section 11 to locate the fault.
Yes
Continuation
Is the
voltage
correct?
Faulty wiring in cable
connecting the boom base
junction box with the LG221.
Refer to section 11 to locate
the fault.
Yes
No
Measure the CM reset switch signal at
central unit terminal A114 9 (24V) and
A104 36 (GND). Refer to section 9.3,
10 and 11.
Measure voltage supply to OM switch at
terminal 11 (+24V) and 9 (GND) in the center
mid junction box. Refer to section 9.1 and11.
No
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