Models from early 2021 saw increased reports of corrosion on the aluminum charging strips. The Autocheckrar uses a milli-ohm meter to detect resistance spikes before they cause "charging station not found" errors.
Data from authorized service centers shows that 2021 models frequently fail on three specific points:
Step 1: Enter Service Mode Turn the main switch to "Off." Wait 10 seconds. Turn it to "On," and within 3 seconds, press and hold the "Stop" and "Menu" buttons simultaneously for 5 seconds. The display will flash "Service Mode." automower serviceprogram autocheckrar 2021
Step 2: Run the Motor Check
Navigate to Menu > Service > Motor Test. The mower will spin the blade disc, then the left wheel, then the right wheel. Listen for grinding or inconsistent beeping. The 2021 protocol requires the blade disc to reach 2300 RPM within 2 seconds.
Step 3: The Battery Calibration (Crucial for 2021) The Autocheckrar's hidden feature is a deep-cycle test. Models from early 2021 saw increased reports of
Step 4: The Lift Sensor Validation Lift the mower off the ground. The blades must stop spinning within 1.5 seconds. The 2021 service program requires a "double-beep" from the chassis. If you hear a single beep or a continuous alarm, the lift sensor needs recalibration by a dealer.
While DIY works, the official Automower Serviceprogram Autocheckrar 2021 offered by certified Husqvarna dealers includes one critical feature you cannot replicate: the load-balancing test on the wheel motors. This requires a proprietary diagnostic dongle. Step 4: The Lift Sensor Validation Lift the
Take your 2021 model to a dealer if: