MOBILETT Plus HP SPR8-220.061.03 Page 4 of 22 Siemens AG
Rev. 03 09.03 CS PS 24 Medical Solutions
2 - 4 Display messages
Err 6 During
preparation
or exposure
The rotating anode
frequency cannot be
maintained above
142 Hz.
At preparation: The anode is acceler-
ated for 2 s, the speed is measured.
If the rotation is too slow, the acceler-
ation phase is repeated and retested.
If the rotation is still too slow or the
anode looses speed too fast, a mes-
sage will be displayed.
Remove K64 (page 140**) during the
next test.
• Activate the radiation release
switch to the first level (preparation)
and listen for the anode to start up
(see page 150**).
• Check that the following supply
voltages are present on D4,
+100 V, +15 V, +5 V DC (see page
150**).
• Check that the trigger pulses are
present at "ROT"; when the anode
is accelerated (see page 150**).
• Check that the measuring signals
"ROT_VAL" on D4 and "ROT" on
D1 are OK (see page 150**).
• Turn off the unit and remove K61.
Measure the stator winding in the
power plug.
¹ K61: 3-2 = 8
¹ K61: 1-2 = 5
Dis-
played
messages
Mode of
operation
Cause Possible reasons and advice
* See section "Monitoring the kV and mA values"
** Wiring diagram X037E
Tab. 1
Ω
Ω
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