Siemens MOBILETT Plus Service Instructions Manual page 11

Display messages
Dis-
played
messages
Err 3*
* See section "Monitoring the kV- and mA-controls"
** Wiring diagram X037E
Tab. 1
Siemens-Elema AB
Solna, Sweden
Mode of
Cause
operation
During Interrupted expo-
exposure sure because of over
voltage >142 kV
SPR8-215.898.01
Rev. 05
Possible reason
Only with "Err 3".
•
Check the filament heating value
for the selected kV, see section
"P07 - Read-out filament values
from battery backed RAM".
Compare the value with the value
in the delivery protocol. If the
difference is large, make a new
adaptation, see section "P10 - Fast
adaptation".
Err 3" in combination with:
•
Err 21" & "Err 22".
Check the measuring point
"FIL_VAL" on D1, see page 160**
and page 110**.
•
CAL 13". Check the 60 V-supply
voltage on D4, see page 160**.
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MOBILETT Plus / - E/ - M