HAKO Minuteman RoboScrub 20 User manual

Minuteman International, Inc.
A Member of the Hako Group
RoboScrub 20
Service Manual

Page 2 RoboScrub Service Manual
Table of Contents
Technical Specifications .......................................................................... 4
Limited Warranty...................................................................................... 6
Testing and Troubleshooting.................................................................... 8
3D Camera ............................................................................................ 42
Modem................................................................................................... 46
Steering ................................................................................................. 48
Enter Settings ........................................................................................ 52
Lower Lidar Removal............................................................................. 78
Error Codes ........................................................................................... 92
Testing Manual/Auto Switch ................................................................ 124
Hard Reset Process ............................................................................ 148

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Technical Specifications

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RoboScrub Service Manual

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Limited Warranty

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RoboScrub Service Manual

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Testing and Troubleshooting
Testing and Troubleshooting Drive System
Disconnect Batteries

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RoboScrub Service Manual
Remove back panel

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Secure panel for ease of access

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RoboScrub Service Manual
Locate and disconnect P3 connector from controller

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Place probes on pins 20 (BLK/PNK) and 10 (BLK/WHT). Set meter to OHMs. Depress Accelerator Pedal.
Reading should be 0.3 (Static) to 1.7 (Full Throttle)

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RoboScrub Service Manual
Plug P3 back into Controller. Place probes on Controller leads as shown.

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1. Reconnect batteries.
2. Turn machine on.
3. Sit on seat to activate seat switch.
4. With meter in lap, select Forward on Right Touch Pad and depress Accelerator Pedal. At static (Stopped)
voltage should be 0.0 VDC. As pedal is depressed the voltage should increase all the way up to 24 VDC. (Full
Throttle)
5. Place machine in reverse reading should be 0.0 VDC to 12VDC (Full Throttle).

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RoboScrub Service Manual
Testing Pedal Circuit
Bypass Seat Switch Circuit

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Bypass Seat Switch Circuit

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RoboScrub Service Manual
Remove back access cover

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Locate P3 connector on Kinetec Drive Controller
and disconnect

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RoboScrub Service Manual
Set meter to ohms. Place probes on PIN 20 (BLK/WHT WIRE) and PIN
10 (BLK/PINK WIRE)

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Static Pedal(not pressed) should read 0.3 OHMS +/- 0.1
Fully activated pedal should read 1.7 OHMS +/- 0.1
*If reading not within above readings, replace*

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RoboScrub Service Manual
THESE INSTRUCTIONS ARE A GUIDELINE FOR REPLACEMENT OF DRIVE WIRING PLATES
FOR THE MR20 AUTONOMOUS MACHINE