Siemens MOBILETT Plus HP, Service Manual

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Siemens-Elema AB SPR8-220.091.01 Page 1 of 2 MOBILETT Plus HP
Solna, Sweden Rev. 03 03.03 SPS-UD Service
Supplement to Maintenance Instructions
4
The service program P05 is removed. This affects the maintenance test as shown below:
Maintenance test
4
Use these service programs to check the display, filament heating, rotating anode and
capacitors.
While the test is running, observe the display. If an error is determined during the course
of the test, the program is interrupted and the associated error is displayed, accompanied
by an audible signal.
Additional information about each test is located in the section "List of test programs in
Service Mode" in the service instructions. The test sequences are also described in this
section.
•
Start the programs by activating the "Light localizer lamp."
PMF Display test
PMF Filament test
PMF Rotating anode test
PMF Capacitor bank and charge test
P04 Display test. Check whether the display and the LED’s light up and
whether the buzzer sounds. The test will automatically be repeated
once.
P01 Filament test. When the test is successfully completed, the follow-
ing message will appear for 4 seconds:
FIL PASS = The filament test was successfully completed.
P02 Rotating anode test. During this test, rotating anode start-up is
checked and the rotation frequency is displayed. The following mes-
sage appears when the test is successfully completed:
rot PASS = The rotating anode test was successfully completed.
P03 Capacitor bank and charge test. During the test, the actual voltage
in the capacitor bank is displayed.
The following message appears when the test is successfully com-
pleted:
CAP PASS = The capacitor bank and charge test was successfully completed.
If an error is determined during any of the tests, the current program stops and the follow-
ing message appears:
Err xx = Test results are "not valid."