Automower 420/430X/440/450X

About this series

Navigation: Boundary wire; GPS Assisted Navigation on 430X and 450X only. Figures are from Husqvarna’s own operator’s manual (2023).

Automower 420: area 2,200 m², slope up to 45%
Automower 430X: area 3,200 m², slope up to 45%
Automower 440: area 4,000 m², slope up to 45%
Automower 450X: area 5,000 m², slope up to 45%

Husqvarna operator’s manual (2023)

5 entries, recently updated first

Reference Automower 420, 430X, 440 and 450X (wire, 2023 manual)

Automower 420, 430X, 440 and 450X: what each manual message means

What Husqvarna's operator's manual says each fault and information message means on the Automower 420, 430X, 440 and 450X wire models, and what to do, with the station lamp.

Last updated 03 Nov 2026

Reference Automower 420 to 450X, 305 to 315 Mark II, 310/315/315X, 405X/415X (wire) and 520/550 EPOS; see the list for the manual behind each

Automower fault & error message reference

Find what Husqvarna's own operator's manuals say each Automower fault and information message means and what to do, by model, for the 420/430X, 305/310/315 Mark II, 310/315/315X and 405X/415X wire models and the 520/550 EPOS (wire-free) models, with links to where owners have written about the same message.

Last updated 03 Nov 2026

Guide Automower 430X (six owners), 315 and 330X (one owner each); two owners' models not stated

Automower battery wearing out: shorter mowing, random stops, and replacing the pack

Owner reports on an ageing Automower 430X or 315 battery: stops mid-lawn, a blank screen, shorter mowing per charge, how many charge cycles owners had at replacement, what a replacement did for three owners, and a compatible pack that gave odd readings.

Last updated 20 Oct 2026

Known issue Automower 450X, 330X, 315X, 315, 430X and 430X NERA (one report's model not stated)

Automower 'Connect is not available': the connectivity card is not found

Owner reports of an Automower 450X, 330X, 315X or 430X that says 'Automower Connect is not available' and 'connectivity card not found': a replaced card, a long list of replaced parts that did not help, and a reseat-and-wait routine nobody has reported back on.

First reported 07 Jan 2023 Last updated 20 Oct 2026

Known issue Automower 430X, 430X NERA, 450X; also a 405X, a 420, and the older 230 ACX, 265 ACX and 330X (one report each)

Automower docks but won't charge, or won't enter the station

Owner reports of an Automower that backs out of its charging station or stops beside it: the 'Charging system problem' ('Problem Ladesystem') and 'Charging station blocked' ('Ladestation blockiert') messages, what was fixed and by whom, each fix dated with how many owners back it.

First reported 18 Jul 2021 Last updated 20 Oct 2026

Nothing here matches your symptom?

A fault that isn't listed here doesn't mean nothing is wrong with your mower. The manufacturer's own manual is linked from this page, and the guides for this brand are listed on its overview.

Found something we don't cover yet? Send us the details — that's how the next owner finds it documented.