DS 350 G Boom Control Troubleshooting- TMS/TTS870 / RT865 BXL
031-300-190-039 Rev. B 4/30/99
36
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 LWG 221.
Refer to section 11 to locate
the fault.
Yes
No
Measure the OM reset switch signal at
central unit terminal A104 78 (24V) and
A104 36 (GND). Refer to section 9.3,
10 and 11.
Defective digital input 4, 5 on main board or
digital input 5 on extension board. Contact
service dealer to obtain replacement
instructions.
No
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