CRANEX
®
Novus e 4. Troubleshooting
Service manual 69
Rotating unit stop rotating, no error code
CAUSE A
Faulty R5100 or stepper motor.
SOLUTION A
Check the cables connected to R5100. If ok, replace
R5100.
If the unit still does not work, replace the stepper motor.
Patient positioning light(s) do not come on
The patient positioning lights (lasers) come on when:
- the light key is pressed
- or the up or down key is pressed
One of lights does not come on.
CAUSE A
The light is faulty.
SOLUTION A
Check the cable and connector from the L1600 (Z-
motor driver) to the light and replace the cable and light
if faulty.
Realign the light, refer to the installation manual.
If the cable is okay replace the L1600 (Z-motor driver).
None of the lights come on.
CAUSE A
The emergency stop button has been pressed down.
The emergency stop icon appears on main display.
NOTE: LED D4 (ESTOP on) on L1600 will come on
when the emergency switch is pressed down.
SOLUTION A
Turn the emergency switch clockwise to release it.
CAUSE B
The emergency stop icon appears on the main display
but does not clear when the emergency stop button is
released. The patient positioning lasers do not come
on.
SOLUTION B
Check connector JP129 on L1600 (Z-motor driver).
Check cable between L1600 and the emergency stop
button.
NOTE:
When LED D1, on L1600 (Z-motor driver), is on it in-
dicates that the board is receiving 5VDC from L1500
(CCD power supply). If the LED D1 is not on there is a
power supply problem.
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