Absolutely. As of 2025, the Automower Serviceprogram Autocheckrar 2021 remains the definitive diagnostic baseline for Husqvarna owners. While newer models have automated self-checks, the 2021 generation sits in a "sweet spot" where parts are still available, but electronics are beginning to age.
Running this autocheck once per spring (and once before winter storage) will prevent 85% of catastrophic failures. Ignoring it leads to what dealers call the "2021 syndrome"—a dead battery, a corroded charging strip, and a €400 repair bill. automower serviceprogram autocheckrar 2021
Don't wait for your Automower to get lost 3 feet from the charging station. Run the Autocheckrar today. Your lawn—and your wallet—will thank you. Absolutely
When you run the Automower Serviceprogram Autocheckrar 2021, you might encounter specific fault codes. Here is what they mean and how to fix them: When you run the Automower Serviceprogram Autocheckrar 2021
| Error Code | Meaning | 2021-Specific Fix | | :--- | :--- | :--- | | U-12 | Boundary signal weak | Check for 2021 loop splices corroding; re-splice using waterproof gel caps. | | F-43 | Battery temperature out of range | 2021 batteries swell prematurely. Run the cooling fan test in Service Menu. | | E-15 | Wheel motor overload | The 2021 drive gears wear down. Apply PTFE lubricant to axles (not oil). | | S-07 | Guide cable fault | The 2021 charging station PCB has cold solder joints; requires reflow or replacement. |
Unlike prior versions, AutoCheckRAR 2021 introduced predictive wear modeling for wheel motors and blade disc bearings. It used runtime data (hours + operating temperature) to estimate remaining life with ±15% accuracy.
Autocheck RAR 2021 is a structured service and diagnostic workflow for Husqvarna (and similar) robotic lawn mowers — commonly called “Automowers” — designed to standardize inspections, fault-finding, preventive maintenance, and firmware/parameter verification during annual service or after returns. This post explains the goals, scope, step‑by‑step procedures, common failure modes, test data to collect, tools required, and recommendations for service shops to adopt a reliable, auditable Autocheck program.