Maintenance Test - Siemens MOBILETT Plus HP Service Manual

Supplement to Maintenance Instructions
The service program P05 is removed. This affects the maintenance test as shown below:

Maintenance test

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
P01
FIL PASS
P02
rot PASS
P03
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
Siemens-Elema AB
Solna, Sweden
Display test. Check whether the display and the LED's light up and
whether the buzzer sounds. The test will automatically be repeated
once.
Filament test. When the test is successfully completed, the follow-
ing message will appear for 4 seconds:
= The filament test was successfully completed.
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:
= The rotating anode test was successfully completed.
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:
= Test results are "not valid."
SPR8-220.091.01
Rev. 03
Page 1 of 2
03.03 SPS-UD
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MOBILETT Plus HP
Service