Siemens MOBILETT Plus HP Service Instructions Manual page 13

Display messages
Dis-
played
messages
Err 3*
* See section "Monitoring the kV and mA values"
** Wiring diagram X037E
Tab. 1
Siemens AG
Medical Solutions
Mode of
Cause
operation
During Interrupted expo-
exposure sure because of
overvoltage > 142 kV
SPR8-220.061.03
Rev. 03
Possible reasons and advice
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 HP