Siemens MULTIMOBIL 10 - Exposure Codes; Code 11: Main Inverter Short Circuit

Service Manual
Service Instructions
Siemens Ltd. Med Division India Version 4.0
Page 36 of 48
4.6 EXPOSURE CODES
4.6.1 Code 11 : Main Inverter Short Circuit
START
MONITOR SCM SIGNAL AND
SWITCH ON THE UNIT
No
STOP
SWITCH OFF & WAIT
FOR 5 SEC
IGBTS
SHORTED?
Yes
ENSURE J34 IC ON
D915 IS WORKING
IC FAULT ?
REPLACE IGBTs
ELSE REPLACE IGBT
MODULE
REPLACE D915
YES
No