Siemens MOBILETT Plus Service Instructions Manual page 20

2 - 10
Dis-
played
messages
USE 20
Err 21
* See section "Monitoring the kV- and mA-controls"
** Wiring diagram X037E
Tab. 1
MOBILETT Plus / - E/ - M
Mode of
Cause
operation
During The exposure
exposure release switch was
activated during the
exposure.
The exposure is
manually interrupted.
Generator ON The measured value
of the stand-by fila-
ment current has
exceeded the limit.
SPR8-215.898.01
Rev. 05
Display messages
Possible reason
•
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, refer to page
140**.
"FIL_VAL" on D1 shall be within 0.16
- 2.5 V when the filament is in stand
by mode.
•
Check the supply voltages on D4,
+60 V, +15 V and +5 V, refer to
page 160**.
•
Check the pulses at measurement
point "FIL" on D4, refer to page
160**.
•
Check the value in "FIL_VAL" on
D1, refer to page 160**.
•
Check the connection between D4
and the filament transformer, refer
to page 160**.
Page 10 of 22
01.02 SPS-UD
Siemens-Elema AB
Solna, Sweden