Kärcher HDS 9/50 De Tr1 Service Manual page 23

Electric components in the control cabinet door
1 Printed circuit board A1 with display
2 Indicator light H3 front cover/emergency stop (red)
3 Operating type switch
4 Indicator light H1 preheating (red)
5 Key switch
6 Indicator light H2 charge regulator (red)
23
English 5.906-736.0 Rev. 00 (07/15)