DS350GM - BOOM CONTROL EXTENSION RT 865BXL
36
031-300-190-047 Rev0 02/17/1999
Correct ?
Yes
No
Select manual mode. Retract all sections. Switch power off. Remove
wire 2 from the analog output bord terminal A104 X1/2 (IM). Switch
power on. Operate retract or extend control. Measure the electrical
current (mA) between the wire 2 (removed from terminal) and the
terminal X1/2. The signal should increase from 0 mA to approximately
800 mA .
Note: In the ramping area the value may be < 800 mA.
continue on next
page
Correct?
Yes
Check the power supply to the
analog output module A104
(IM). Measure at terminal X1/1
(+24V) and X1/4(GND).
No
Continuation
Faulty wiring in bus
extension. Refer to
section 2, drawing 2.7
and 2.8-2.12 to check the
wiring.
Faulty digital input 2 on bus
extension. Contact
authorized service to obtain
replacement instructions.
Correct?
Operate retract or extend
control.
Measure Voltage at terminal
A104 X1/2 (>0V) and X1/4.
No
Yes
continue on next
page