HAKO Minuteman MAX RIDE 20, Service Manual

Page: 135 / 150

Page 136
RoboScrub Service Manual
E-Stop circuit BCM side troubleshooting
x
Turn the key to ON.
x
Locate Pins 59 and 52 on the down trunk.
x
Check for connectivity from the Master Contactor/E-Stop, Trunk side (Red) to Pin 59 on
Down Trunk. (Figure A)
x
Check for connectivity from the Master Contactor/E-Stop, Trunk side (Black) to Pin 52 on
the Down Trunk. (Figure B)
x
Check for 24VDC on Master Contactor, Machine side (Red/BLK) to machine ground.
(Figure C and D)
x
Reconnect Master Contactor/E-Stop and now check for 24VDC between pins 59 and 52
on down trunk.