MOBILETT Plus / - E/ - M SPR8-215.898.01 Page 12 of 22 Siemens-Elema AB
Rev. 05 01.02 SPS-UD Solna, Sweden
2 - 12 Display messages
Err 23 During exposure The HT inverter has
been interrupted
several times, e.g.
overcurrents.
When the HT inverter has been inter-
rupted more than 3 times, the expo-
sure will be interrupted.
• Faulty inverter/inverter control
• Check the inverter current, refer to
the section "Error diagnosis HT
and single tank".
• The X-ray tube may have arced
during the exposure. If the first
exposure after a long interval is an
exposure with high kV values, tube
arcs can occur.
The unit has to be started with
several exposures at high mAs
values. The kV values selected
should be from 40 kV increased to
133 kV.
Refer also to the section "Error
diagnosis HT and single tank".
Dis-
played
messages
Mode of
operation
Cause Possible reason
* See section "Monitoring the kV- and mA-controls"
** Wiring diagram X037E
Tab. 1
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