DS 350 G Boom Control Troubleshooting- TMS/TTS870 / RT865 BXL
031-300-190-039 Rev. B 4/30/99
34
12. Continuation
Is the
voltage
correct ?
Faulty voltage supply wiring to
switch.Refer to section 11.
Replace defective cables.
Yes
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
No
Measure voltage supply to CM switch at
terminal 7 (+24V) and 5 (GND) in the inner
mid junction box. Refer to section 9.1
and11.
Keep the outer mid (OM) section retracted.
Measure the OM reset switch signal at
terminal 10 (24V) and 9 (GND) in the center
mid junction box . Refer to section 9.1
and 11.
No
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