MOBILETT Plus / - E/ - M SPR8-215.898.01 Page 2 of 10 Siemens-Elema AB
Rev. 05 01.02 SPS-UD Solna, Sweden
5 - 2 Service programs
List of test programs available in service mode 5
P01 - Filament test 5
(Wiring diagram X037E, page 160)
At the beginning of the program, the tube is heated for 5 seconds in stand-by mode, fol-
lowed by 12 seconds at high heating. During the test "FIL_VAL" is checked and must be
stable and within the limits. During the test the display shows:
If an error is detected, the test program will be aborted. An audible beep will sound and a
message will be displayed:
If the test ends successfully, the display will show:
Duration: Max. 20 seconds.
P02 - Rotation test, if the FW version is higher than 1.4 or 1.4E 5
(Wiring diagram X037E, page 150)
Accelerates the anode with a 160 Hz control signal during two seconds. After this first
acceleration, the speed is measured and if necessary, a second acceleration of two sec-
onds is made. When the correct speed is reached, the anode will rotate freely for 20 sec-
onds or until the rotation frequency is below 142 Hz before it is braked during 9 seconds
to a stop. An error message will be displayed after two unsuccessful attempts to acceler-
ate the anode or if the anode looses speed too fast. When the test is activated, the display
shows:
After acceleration, the display shows the actual rotation frequency:
kV mAs
FIL tESt = Filament test
kV mAs
P01 Err 22 = Filament preparation error
P01 Err 13 = Filament supply error
kV mAs
P01 PASS = Filament test in program P01
kV mAs
Rot tESt = Rotation test
kV mAs
Rot 143 = Rotation frequency 143 Hz: Normal value 158 Hz. Min. value 142 Hz.
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