Siemens POLYMOBIL III - Checking the Supply Voltages

POLYMOBIL III RXB8-115.061.02 Page 6 of 24 Siemens AG
Rev. 01 10.95 CS PS 24 Medical Solutions
4 - 6 Notes on trouble-shooting
Checking the supply voltages 4
• When the system is switched on, relays HR and K1 on D920 pull in and supply
transformer T1, power supply M6 and the intermediate circuit with line voltage.
• Measure the 24 V supply voltage with the digital multimeter on D920 at MP "+ 24 V" and
"0V"..
• Measure the filament circuit voltage supply on the electrolyte capacitor
C46 at +/ - on D920.
Measured voltage
Measured voltage approx. 28.2 V Tolerance
± 5 V
in stand-by mode approx. 18.5 V
with preparation approx. 16.4 V
To l eranc e
± 4 V
To l eranc e
± 3 V
D920 (X038I-92D)