Husqvarna AUTOMOWER 450X with installation service Owner Manual - Page 56

Symptoms Cause Action The robotic lawnmow- Damaged blades lead to imbalance in the er vibrates. cutting system. Inspect the blades and screws and replace them if necessary. See To replace the blades on page 48. Too many blades in the same position lead to Check that only one blade is fitted at each imbalance in the cutting system. screw. Different versions (thickness) of Husqvarna Check if the blades are of different versions. blades are used. The robotic lawnmow- The robotic lawnmower searches for the er runs, but the blade charging station. disc does not rotate. No action. The blade disc does not rotate when the robotic lawnmower is searching for the charging station. The robotic lawnmow- Grass or other foreign object blocks the blade Remove and clean the blade disc. See Clean er mows for shorter disc. the robotic lawnmower on page 47. periods than usual between charges. The battery is spent. Replace the battery. See Battery on page 48. Both the mowing and The battery is spent. charging times are shorter than usual. Replace the battery. See Battery on page 48. The robotic lawnmow- The hatch has been closed without the er is parked for hours START button first being pressed. in the charging station. Open the hatch, press the START button and then close the hatch. The robotic lawnmow- Spiral mowing is a natural part of the robotic er often moves in cir- lawnmower's movement patter. cles or spirals. Adjust how often spiral mowing is carried out. This function can be deactivated if necessary. See Spiral cutting on page 34. The robotic lawnmow- This is completely normal for Automower No action. er turns round and 430X and Automower 450X with GPS naviga- stays on a small area tion and contributes to an even result. for several minutes. 6.6 Find breaks in the loop wire Breaks in the loop wire are usually the result of unintentional physical damage to the wire such as when gardening with a shovel. In countries with ground frost, also sharp stones that move in the ground can damage the wire. Breaks can also be due to the wire being stretched excessively during installation. Mowing the grass too low right after the installation can damage wire insulation. Damage to the insulation may not cause disruptions until several weeks or months later. To avoid this, always select the maximum cutting height the first weeks after installation and then lower the height one step at a time every second week until the desired cutting height has been reached. A defective splicing of the loop wire can also lead to disruptions several weeks after the splice was done. A faulty splice can, for example, be the result of the original coupler not being pressed together hard enough with a pair of pliers, or that a coupler of lower quality than the original coupler has been used. Please first check all known splices before further troubleshooting is done. A wire break can be located by gradually halving the distance of the loop where the break may have occurred until there is only a very short section of the wire left. The following method does not work if ECO mode is activated. Make sure first that ECO mode is turned off. See ECO mode on page 33. 1. Check that the indicator lamp in the charging station flashes blue, which indicates a break in the boundary loop. See Indicator lamp in the charging station on page 54. 2. Check that the boundary wire connections to the charging station are properly connected and not damaged. Check that the indicator lamp in the charging station is still flashing blue. 56 - Troubleshooting 236 - 001 - 02.10.2017