Fieldmann FZRR 5650-A - Symptoms

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Troubleshooting
FZRR 5650-A, FZRR 5950-A
SYMPTOMS
If the robotic lawn mower is not working as expected, follow the troubleshooting guide below.
Symptom Cause Steps
Nothing is displayed on the screen Power switch is off Turn on the power switch.
Battery is too low Park the robotic lawn mower in the charging base to
recharge.
Fault in the PCBA board with display Replace the faulty PCBA.
The robotic mower does not start after pressing the
START button
Charging contacts are not plugged into the charging
inputs (the lightning symbol does not appear next to
the battery symbol)
Move the lawnmower closer to the charging base.
Daily work timer is set Change the timer settings by cancelling the daily
work.
The robotic lawn mower crosses over the perimeter
wire
Perimeter wire is intersected Properly lay the perimeter wire.
Fault in the PCBA board in the charging base Replace the old PCBA or charging base.
Calendar reverted to factory settings Button cell on the main board is discharged Replace the old button cell.
Faulty collision sensor Spring in the collision sensor is not functioning Replace the old spring in the collision sensor.
Magnet from the collision sensor fell out Install a new magnet.
Charging problems Battery is old and worn out Replace the old battery.
The robotic lawn mower cannot connect correctly
using the charging contacts (the lightning bolt
symbol is not displayed next to the battery symbol)
Park the robotic lawn mower further into the charging
base; or reinstall the charging base.
Charging contacts disconnected from the internal
PCBA board.
Restore the connection or install a new PCBA.
Loud noise Blade is damaged Replace the old blade.
Blade disc is damaged Replace the old blade disc.
Height adjustment knob is worn out Replace the old knob.