LITHOSTAR MODULARIS Error List 2 - 7
Siemens AG SPL1-130.840.02 Page 7 of 14 MODULARIS Uro Plus
Medical Solutions Rev. 03 04.05 CS PS 24
Monitoring, E49 – E54 2
E49 Error Text: Reference potentiometer defective.
Possible
cause/action:
Short circuit in potentiometer for C-arm movement or potentio-
meter for ultrasound application (only if option is available)?
Connection cable D3.X38, D3.X28 (ultrasound option) o.k.?
Circuit diagram J1048 – 16/17.
Use the Service PC to read the current potentiometer
(menu "d").
For troubleshooting: the ultrasound option is available; remove
the board for the ultrasound option and cables X28 and X29
from board D3.
E50 Error Text: -5 volt power supply defective.
Possible
cause/action:
Replace board D3.
E52 Error Text: Battery voltage for battery-buffered RAM and real-time clock
too low.
Possible
cause/action: Replace the lithium battery on board D3.
E53 Error Text: Incorrect data in the battery-buffered RAM.
Possible
cause/action:
Normal occurrence at initial start-up or after replacing the
lithium battery.
Check the lithium battery!
Replace board D3.
Perform a software download!
E54 Error Text: Clock stopped (this message is also displayed when the battery
is replaced)
Possible
cause/action:
Connection cable D3.X31 - XP7 present under the cover?
Set the clock!
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