Malfunctions Group 30: Electrical system
34
Measurements
Check button panel
Special tools: Multimeter 9812519,
Adapter cable 88890016, Measurebox 9998699
1. NOTE! Cut the current with the main switch.
2. Connect adapter cable 88890016 with measure-
box 9998699 towards the button panel.
3. Use multimeter 9812519 to do a continuity(diode)
test.
Measurement points Nominal value
13 - 10 OL* (button not pushed)
Battery neg. - Stop
13 - 10 leads (button pushed)
Battery neg. - Stop
13 - 11 OL (button not pushed)
Battery neg. - On/off
13 - 11 leads (button pushed)
Battery neg. - On/off
13 - 12 OL (button not pushed)
Battery neg. - Ack/dim
13 - 12 leads (button pushed)
Battery neg. - Ack/dim
13 - 14 OL (button not pushed)
Battery neg. - Start/Preh.
13 - 14 leads (button pushed)
Battery neg. - Start/Preh.
*OL=Open line
NOTE! When testing a button be sure to also push
the other buttons to look for short circuits between
buttons. There shall be no electrical connection be-
tween buttons.
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