error code

Roomba i4 Charging Error 9 — / 9 / 10 — Worn battery

Robot reports charging error 8, 9 or 10; battery won't charge or won't hold charge.

Error code

Charging Error 9

What this error means

Battery not charging — typically worn out.

Included in the full manual

root cause analysis
tools needed
step-by-step repair procedure
diagrams
exploded views
post-repair checks

Public pages show a preview only. Purchase the full manual to download complete repair steps, diagrams, and verification procedures.

Related models

Model

Common symptoms

Roomba i4 Worn Battery

Failure modes

FM-13: Roomba i4 Charging Error 8 / 9 / 10 — Worn battery

Manuals

iRobot Roomba i4 Repair Manual