Siemens MOBILETT Plus HP Service Instructions Manual page 22

2 - 10
Dis-
played
messages
USE 20
Err 21
* See section "Monitoring the kV and mA values"
** Wiring diagram X037E
Tab. 1
MOBILETT Plus HP
Mode of
Cause
operation
During The exposure
exposure release switch was
activated during the
exposure.
The exposure is
interrupted manually.
Generator ON The measured value
of the standby fila-
ment current has
exceeded the limit.
SPR8-220.061.03
Rev. 03
Display messages
Possible reasons and advice
•
The user activated the switch by
mistake.
•
There may be a defective contact in
the exposure release cable/handle.
Check the function in the exposure
release handle and the connec-
tions k11 and k1 (see page 140**).
"FIL_VAL" on D1 must be between
0.16 and 2.5 V when the filament is
in standby mode.
•
Check the supply voltages on D4,
+60 V, +15 V and +5 V (see page
160**).
•
Check the pulses at measurement
point "FIL" on D4 (see page 160**).
•
Check the value in "FIL_VAL" on
D1 (see page 160**).
•
Check the connection between D4
and the filament transformer (see
page 160**).
Page 10 of 22
09.03 CS PS 24
Siemens AG
Medical Solutions