Siemens MOBILETT Plus Service Instructions Manual page 21

Display messages
Dis-
played
messages
Err 22
* See section "Monitoring the kV- and mA-controls"
** Wiring diagram X037E
Tab. 1
Siemens-Elema AB
Solna, Sweden
Mode of
Cause
operation
Preparation The exposure/
preparation
filament current is
not stabile.
SPR8-215.898.01
Rev. 05
Possible reason
If the exposure filament level is OK ,it
should stabilize within 3 s.
•
Check the voltages on D4, +60 V,
+15 V and +5 V, refer to page
160**.
•
Check the connection between
D4 and the filament transformer
(K60), refer to page 160**.
•
Check the trigger pulses in
measurement point "FIL" on D4,
refer to page 160**.
•
Check the value in "FIL_VAL" on
D1. The value must be stabile in
stand-by filament. After change-
over to preparation, the value
should stabilize again.
•
Refer also to the section
"P01 - Filament test".
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MOBILETT Plus / - E/ - M