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Siemens POLYMOBIL Plus Service Manual

Siemens POLYMOBIL Plus
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Contents 0 - 3
Siemens AG SPR8-125.061.02 Page 3 of 4 POLYMOBIL Plus
Medical Engineering Rev. 01 01.00 TD SD 24
1 _______Prerequisites ___________________________________________________ 1-1
Text emphasis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Required documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Tools, measurement and auxiliary devices required . . . . . . . . . . . . . . . . . . 1-1
Safety information and protective measures . . . . . . . . . . . . . . . . . . . . . . 1-2
Replacing damaged or missing screws . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
2 _______Checking the assemblies _________________________________________ 2-1
Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Position and function of the LEDs, fuses, test points and potentiometers. . . . . . . . 2-4
D915 CPU, control and measurement value acquisition . . . . . . . . . . . . . . 2-4
D925 Rotating anode starter, filament inverter, ON/OFF switching circuit . . . . . 2-5
U1 power supply unit 5 V ± 5% / 15 V ± 10 %. . . . . . . . . . . . . . . . . . . . 2-6
U2 power supply unit 12.5 V ± 10 %. . . . . . . . . . . . . . . . . . . . . . . . . 2-6
D950 capacitor charging circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
D970 Capacitor bank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Status of the LED’s (optimum condition) . . . . . . . . . . . . . . . . . . . . . . 2-8
3 _______Troubleshooting_________________________________________________ 3-1
Error messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Troubleshooting after error messages . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
4 _______Service programs _______________________________________________ 4-1
Service programs available . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
5 _______Measurements __________________________________________________ 5-1
Line voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Measuring KVact and Itube . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Capacitor charging circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Charging frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Capacitor charging current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
Capacitor voltage (Uc) and charging time . . . . . . . . . . . . . . . . . . . . . . 5-4
Rotating anode starter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
Acceleration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
kV Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
Checking the maximum main inverter frequency . . . . . . . . . . . . . . . . . . 5-7
Measuring the oscillating current . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
Measuring the kVact and kVnom . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9
Error in the kVact acquisition . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10
Testing the filament circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11
Filament circuit in standby . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11
Setting the maximum filament inverter frequency . . . . . . . . . . . . . . . . . . 5-12
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Siemens POLYMOBIL Plus Specifications

General IconGeneral
BrandSiemens
ModelPOLYMOBIL Plus
CategoryMedical Equipment
LanguageEnglish

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