Contents
1 Introduction
1.1 Document description............................................ 3
1.2 Servicing tools........................................................3
2 Safety
2.1 Safety definitions....................................................4
2.2 General safety instructions.....................................4
2.3 Special safety instructions......................................4
3 Product and installation
3.1 Main components for installation............................5
3.2 The loop system's control signals.......................... 5
3.3 LED indicator lamp on the charging station........... 5
3.4 Boundary loop........................................................ 5
3.5 Guide loop..............................................................5
3.6 Charging station..................................................... 6
3.7 Sensors.................................................................. 6
3.8 To do a test of the installation................................ 6
3.9 SensorControl/Lawn shield/LawnSense................ 7
3.10 Safe operation in slopes.......................................7
3.11 New loop signal....................................................7
4 Special menus
4.1 Tools menu overview............................................. 8
4.2 Quick info overview................................................ 8
4.3 Tools menu (Expert mode).....................................8
4.4 Quick info (Limited Tools menu).......................... 11
5 Autocheck service tool
5.1 Installation and login............................................ 12
5.2 Connect the product.............................................12
5.3 How to use Autocheck 3...................................... 12
5.4 Programming circuit boards................................. 13
6 Repair instructions
6.1 The body system..................................................15
6.2 The upper chassis................................................15
6.3 The lower chassis................................................ 16
6.4 The cutting system............................................... 16
6.5 To mount screws..................................................16
6.6 To disassemble the body system.........................16
6.7 To disassemble the upper chassis.......................18
6.8 The circuit boards.................................................19
6.9 The battery system...............................................24
6.10 To clean and replace the ventilation filter...........25
6.11 To replace the keypad........................................25
6.12 To replace the body suspension parts............... 25
6.13 To replace the cutting module............................26
6.14 The wheel motors...............................................27
6.15 To assemble the upper chassis and the body
system........................................................................27
6.16 The charging station...........................................28
6.17 To mount screws in plastic.................................29
6.18 To mount thread plugs....................................... 29
7 Service
7.1 Service schedule..................................................31
7.2 Screw fasteners................................................... 32
8 Troubleshooting
8.1 Messages.............................................................33
8.2 Symptoms............................................................ 41
8.3 Loop signal...........................................................43
8.4 To find a break in the boundary loop....................45
8.5 Battery test........................................................... 45
9 Transportation, storage and disposal
9.1 Transportation...................................................... 46
9.2 Cleaning............................................................... 46
9.3 Winter storage......................................................46
9.4 Environmental information................................... 46
9.5 Removal of battery for recycling...........................46
10 Technical data
10.1 Technical data....................................................47
2 1413 - 003 - 17.01.2022
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