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Gardena SILENO City 250 - User Manual

Gardena SILENO City 250
56 pages
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gardena.com
Operator‘s manual
SILENO city, smart SILENO city
SILENO life, smart SILENO life
InDesign P01 omslag P01_P02_a5.indd 1InDesign P01 omslag P01_P02_a5.indd 1

Questions and Answers

  • D
    douglasaguilarSep 16, 2025
    What does 'Battery temperature outside limits' mean on Gardena SILENO City 250?
    • M
      Mrs. Linda WilsonSep 16, 2025
      If your Gardena Lawn Mower displays 'Battery temperature outside limits', it means the battery temperature is too high or too low to start operation. The product will automatically start operating once the temperature is within the acceptable limits.
  • K
    Kayla JohnsonAug 25, 2025
    How to troubleshoot Gardena SILENO City 250 battery problem?
    • M
      Marcus RodriguezAug 25, 2025
      If your Gardena Lawn Mower indicates a battery problem, it could be a temporary battery or firmware-related issue; try restarting the product. Also, ensure you are using the correct type of battery, as an incorrect battery can cause problems; use original batteries recommended by the manufacturer.
  • J
    Joseph DoyleAug 25, 2025
    Why does my Gardena Lawn Mower say 'No loop signal'?
    • P
      Peter CooperAug 26, 2025
      If your Gardena Lawn Mower displays a 'No loop signal' error, several issues could be the cause. First, check that the power supply and low-voltage cables are securely connected and undamaged. If there's damage, replace them. Ensure the boundary wire is properly connected to the charging station, replacing connectors if needed. Finally, inspect the boundary wire for damage; if found, replace the damaged section.
  • C
    Catherine YoungAug 26, 2025
    What to do if Gardena SILENO City 250 Lawn Mower goes outside working area?
    • M
      Michael RobertsAug 27, 2025
      If your Gardena Lawn Mower is operating outside the designated working area, several factors could be responsible. Check that the boundary wire is correctly connected and not placed too close to the edge of the work area. Metal objects like fences or buried cables can interfere with the boundary wire, so try moving the wire away from these objects. Also, interference from a nearby product installation might be the issue, in which case, place the product in the charging station and generate a new loop signal.
  • V
    Vincent MorrisSep 18, 2025
    What to do if Gardena SILENO City 250 Lawn Mower says 'Connection NOT changed'?
    • S
      Stephanie HernandezSep 18, 2025
      If your Gardena Lawn Mower displays 'Connection NOT changed', the loop signal was not changed due to an error. Try creating a new loop signal multiple times.
  • M
    Matthew RoySep 23, 2025
    What to do if Gardena SILENO City 250 Lawn Mower has connectivity problem?
    • A
      Alyssa RichmondSep 23, 2025
      If your Gardena Lawn Mower shows a connectivity problem, it indicates an issue on the connectivity circuit board in the product. Restart the product.
  • C
    cheryl80Sep 8, 2025
    Why Gardena SILENO City 250 Lawn Mower operates at the wrong time?
    • J
      Joseph SmithSep 8, 2025
      If your Gardena Lawn Mower is operating at the wrong time, it could be due to an incorrect time or date setting in the product; set the correct time and date. Alternatively, the start and stop times for operation may be incorrect; adjust the schedule settings.
  • L
    Lydia HoganSep 9, 2025
    What causes Gardena SILENO City 250 Lawn Mower charging system problem?
    • K
      kathy86Sep 9, 2025
      If your Gardena Lawn Mower shows a charging system problem, it might be due to using an incorrect type of battery. Make sure to use original batteries recommended by the manufacturer.
  • J
    juanandersonSep 3, 2025
    How to fix Gardena Lawn Mower wheel motor overloaded?
    • N
      Nicholas WestSep 3, 2025
      If the wheel motor on your Gardena Lawn Mower is overloaded (left or right), the issue is likely due to grass or another object around the drive wheel. Remove any obstructions from the drive wheel.
  • K
    Kristin MclaughlinSep 1, 2025
    How to fix Gardena SILENO City 250 wheel motor blocked?
    • L
      Laurie MartinSep 1, 2025
      If the wheel motor of your Gardena Lawn Mower is blocked (left or right), it is likely due to grass or another object obstructing the drive wheel. Remove any grass or objects to resolve the issue.

Summary

2 Safety Information

2.1 Important Safety Precautions

Critical safety advice that must be read and understood before operating the product.

2.3 Safety Instructions for Operation

2.3.1 Safe Product Use

Recommendations for using the product safely and correctly.

2.3.2 Battery Safety

2.3.3 Safe Lifting and Moving

2.3.5 Thunderstorm Safety Measures

3 Installation

3.4.1 Charging Station Placement

Guidelines for selecting the optimal location for the charging station.

3.4.3 Boundary Wire Placement

3.4.4 Guide Wire Installation

3.5 Product Installation Steps

3.5.2 Installing the Charging Station

Instructions for correctly installing the charging station unit.

3.5.3 Installing the Boundary Wire

3.5.4 Installing the Guide Wire

3.9 Post-Installation Checks

3.9.2 Basic Product Settings

Initial configuration steps required before the product's first operation.

3.9.3 Guide Calibration

Automatic calibration of the guide wire for optimal mowing path.

3.10 Product Settings

3.10.3 Schedule Settings

Options for setting up the product's mowing schedule.

3.10.4 SensorControl Settings

3.10.5 Security Level Settings

3.10.6 Lawn Coverage & CorridorCut

3.10.13 GARDENA Smart System

4 Operation

4.1 ON;OFF Button & Indicator Lamp

How to use the ON/OFF button and interpret the indicator lamp's status.

4.2 Starting the Product

Step-by-step instructions to power on and start the product.

4.4 To Stop the Product

4.5 Switching Off the Product

4.6 Charging the Battery

4.7 Adjusting Cutting Height

5 Maintenance

5.3 Replace the Blades

5.4 Firmware Update

5.5 Battery Management

5.5.1 Replace the Battery

Step-by-step guide on how to safely replace the battery.

5.6 Winter Service

6 Troubleshooting

6.2 Fault Messages

Table detailing error messages and recommended actions to fix them.

6.4 Charging Station Indicator Lamp

6.5 Product Symptoms

6.6 Find Breaks in the Loop Wire

8 Technical Data

8.1 Technical Data

Key technical parameters including dimensions, electrical system, and antenna data.

9 Warranty Terms

10 EC Declaration of Conformity

Gardena SILENO City 250 Specifications

General IconGeneral
ModelSILENO City 250
CategoryLawn Mower
Area Capacity250 m²
Working Area Capacity Tolerance±20%
Cutting Width16 cm
Cutting Height20-50 mm
Battery TypeLi-Ion
Battery Voltage18 V
Battery Capacity2.1 Ah
Charging Time60 min
Mowing Time per Charge65 min
Weight7.3 kg
Cutting Height AdjustmentManual
Slope Capacity25%
Mulching FunctionYes
Charging SystemAutomatic
Maximum Incline within Working Area25%
AlarmYes
PIN CodeYes
Lift SensorYes
Tilt SensorYes
Rain SensorYes
Anti-Theft ProtectionYes
Warranty2 years
Cutting System3 pivoting blades
Blade TypePivoting blades

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