DS 350 G Boom Control Troubleshooting- TMS/TTS870 / RT865 BXL
031-300-190-039 Rev. B 4/30/99
52
15. Continuation
Have you found
any wiring faults?
Correct the wiring problem. Refer to
section 11.
Yes
Continuation
Is the voltage
correct (-500mV)?
Main board component defective.
Contact authorized service dealer for
the board replacement procedure.
Yes
No
Check the wiring that connects the
LWG 221 with the central unit. Inspect
the cable and the connections.
Connect the voltmeter central unit terminal
A104 X1/73 (signal) and A104 X1/8
(GND). Use a small screwdriver to turn the
length potentiometer carefully clockwise.
O turns = - 500mV, 10 turns= - 4.5V.
No
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