GE HEALTHCARE
DIRECTION 2307224-100, REVISION 6DISCOVERY LS SYSTEM SERVICE MANUAL
Chapter 12 - Troubleshooting Page 327
* If 24 VDC does not exist, check the path of Cables: P/N 2338086, Clutch Solenoid
Command and P/N 2340737, Base Command Adapter between the ETC Interface and
the Solenoid.
c.) Replace the relevant part if found to be faulty.
* If no fault is found in the path, check that 24 VDC exists between Pins 15 and 16 on the
ETC Interface J7 when pressing the [PET Position Jog] button.
* If no voltage exists, check the ETC Interface and the ETC according to the relevant
schematics in the LightSpeed Service manuals.
4.) Check the Table Base (Elevation/Tilt) Amplifier.
a.) Check the Base Drive Enable cable, 2340386 continuity between Pin 9 on the ETC J4 side
and Pin 9 on the J24 cable side.
b.) Check the Table Base (Elevation/Tilt) Amplifier. (See the LightSpeed Service manuals).
5.) If the Table Motor is turning and the Drive Belt is not moving, perform the checks described in
Section 12.3.1.
Figure 12-8: Troubleshooting for Base Axis Movement (Automated Tables)
Base Axis does not move
Is E-STOP circuitry
activated?
Reset the E-STOP
circuitry
yes no
Does a mechanical interference exist?
Check the locking mechanism including the
solenoid functionality, use the PET position Jog
button on the Control Panel
yes
no
Release the
mechanical
interference
Check:
1. The path from the ELEVATION/TILT(BASE Axis ) Amplifier to
the motor include the Amplifier itself
PNs:
1. 2323724
2. 2309058
3. 2323720
4. 2323722
End of test
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