Siemens MAMMOMAT Balance - Control LEDs Status Indicators; CPU 01-170 Control LEDs

Control LEDs
MAMMOMAT Balance SPB7-115.840.01 Page 7 of 62 Siemens AG
Troubleshooting Guide Rev.02 10.04 Medical Solutions
Control LEDs
CPU 01-170
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Color Function
LED1
YELLOW Don’t care
LED2
YELLOW
blinking during x-ray
LED3
YELLOW
bright during x-ray ( mAs meter pulses)
LED D1
RED
IRQ activity monitor, blinks in normal condition; if bright fix CPU
hanged UP
LED DU1
YELLOW
internal +2,5Vdc
LED DU2
YELLOW
internal +3,3Vdc
LED DU6
RED
ON at start UP during FPGA initialization
LED DU8
RED
ON during CPU initial reset
LED DU11
YELLOW
+5Vdc
CPU Reset sequence
At power ON, LED DU6 and LED DU8 are bright, LED DU8 goes OFF, LED DU6 goes OFF, LED
D1becomes bright fix and after blinks to indicate that CPU is running.