Robot Warranty Guide: What's Covered, What's Not, and How to Make a Claim

Last reviewed on 2026-04-24 · ~10 min read

Quick Answer

Most household robots carry a 1–2 year limited warranty from the manufacturer. It covers defects in materials and workmanship. It does not cover wear items, battery capacity loss beyond a threshold, water damage (except on purpose-built pool cleaners), crash damage, or non-approved repairs. Always register the product and keep the original proof of purchase.

What "Limited Warranty" Really Means

A consumer warranty is a contractual promise from the manufacturer that the product will be free from defects in materials and workmanship for a stated period. "Limited" simply means it is not unlimited — there are exclusions, a maximum time, and usually a cap on what you can recover (repair, replacement, or refund, at the manufacturer's option). It is separate from, and on top of, whatever statutory consumer rights apply in your country or state.

Three common terms to recognise:

Defect in materials or workmanship: something that was wrong at the factory — a failed circuit board, a cracked housing from an injection-moulding flaw, a stuck sensor. Covered.
Normal wear and tear: consumables that are expected to degrade with use — brushes, filters, pads, wheels, mop rollers. Not covered.
Misuse or accidental damage: drops, water intrusion, running over a hose, non-approved aftermarket parts. Not covered.

Typical Coverage Periods by Category

Category	Typical main warranty	Battery	Notes
Robot vacuum (budget)	1 year	6–12 months	Often shorter for filters and brushes.
Robot vacuum (premium)	1–2 years	1–2 years	Base station may be covered separately.
Robotic lawn mower	2 years	2 years	Blades considered wear items.
Robotic pool cleaner	1–2 years	1–2 years	Pump and seal carved out separately on some models.
Window cleaning robot	1 year	1 year (if applicable)	Safety tether and suction fan sometimes pro-rated.
Companion robot	1 year	1 year	Some brands require an account to keep warranty active.

These are industry-typical ranges, not specific brand commitments. Always confirm on the manufacturer's current warranty page for the exact SKU you bought.

What Is Normally Covered

Main drive motor, suction motor, or water pump failing inside the coverage window.
Circuit boards, Wi-Fi modules, and sensor packs that stop working without physical damage.
Charging dock, self-emptying base, and base-station parts (often as a single unit).
Enclosure defects — cracked plastic not caused by impact.
Firmware issues that the manufacturer acknowledges and cannot resolve remotely.

What Is Normally Excluded

Wear and Tear Items

Wear items are priced and sold as consumables. Expect to replace them on the schedules the manual spells out:

Side brushes, main brushes, and roller bars.
HEPA and mesh filters.
Mopping pads, cloths, and rotating discs.
Mower blades and discs.
Pool-cleaner filter cartridges and drive belts.
Wheel treads on mowers after many hours of use.

Battery Capacity Loss

Lithium-ion batteries lose capacity with every cycle. Manufacturers usually treat gradual capacity loss as wear, not a defect. Typical thresholds: a battery that drops below 60–70% of its rated runtime within the warranty period may be considered defective. Sudden dead packs, cells that fail to charge, or swelling are almost always covered. Document the problem with photos and the app's run-time log before contacting support.

Water Damage (Except Aquatic Products)

Robot vacuums are designed for dry floors, mopping a thin film of water, or — on a handful of models — splashing through small puddles. They are not designed to be dunked. Warranty generally excludes:

Vacuuming up liquids.
Running a robot vacuum on a wet mop pad in error when the device doesn't support it.
Storage in damp environments that causes corrosion.

Pool cleaners and some "wet & dry" robots are an exception because immersion is the intended use. Even those are usually rated for a specific maximum depth, water-chemistry range, and cable length — exceeding any of the three can void coverage.

Crash, Drop, and Impact Damage

Falls down stairs, collisions with a piece of furniture that the robot's cliff sensors should have detected, or stepping on the unit are classed as accidental damage. Some brands offer paid "accidental damage protection" add-ons; the core warranty does not include it.

Environmental and Installation Issues

Lawn mowers run outside the specified slope or coverage area.
Pool cleaners run in water with chlorine or salt levels outside the rated range.
Damage from power surges on a dock that was not on a surge-protected outlet (sometimes).
Damage from non-approved cleaning solutions in a mop tank.

Unauthorised Service or Modifications

Opening the unit yourself, using third-party batteries, flashing unofficial firmware, or having a non-authorised repair shop touch the device voids most warranties. Routine user-serviceable steps described in the manual (replacing filters, clearing the brush) are always fine.

Retailer Warranty vs Manufacturer Warranty

You may have two overlapping warranties and it helps to know which to use:

Retailer return window (30–90 days). Shortest and most permissive: usually "change of mind" eligible, accepts unopened returns, and may accept defective returns without much process. Use this first.
Retailer extended warranty (paid add-on). Separate contract; often covers accidents that the manufacturer warranty excludes.
Manufacturer warranty (1–2 years). Runs from the date of first retail purchase. Use this for failures after the retailer window closes.
Statutory consumer protections. In the EU, UK, Australia, and many US states, the law gives you rights that can be longer than the manufacturer's promise (e.g. EU Directive 2019/771 mandates at least a two-year seller liability for consumer goods). These are not waivable by a warranty document.

Before You Buy: What to Check on the Warranty Page

Duration — in months, not "limited lifetime" fluff.
Battery sub-term — often shorter than the main unit.
Base-station coverage — premium robots' docks can exceed half the total cost.
Proof-of-purchase requirement — most manufacturers require the original receipt from an authorised seller, not just a marketplace order number.
Registration clause — some brands require product registration within 30–60 days or the warranty defaults to a shorter term.
Regional scope — a unit bought overseas and shipped to your country may not be honoured by the local subsidiary. This is a common gotcha with grey-market deals.
Shipping of RMA units — who pays to ship the defective unit back? Some brands provide a prepaid label; others require you to pay and reimburse only if the claim is approved.

How to File a Warranty Claim

Reproduce and document the problem. Record the error code, a short video of the behaviour, and screenshots from the app log.
Check for firmware updates. Many "defects" are resolved by the next firmware release. Support will ask anyway.
Locate your proof of purchase. PDF invoice is ideal; an order confirmation email from an authorised seller works for most brands.
Contact the brand's official support channel first — not the retailer's — unless you are still inside the retailer return window.
Get an RMA number in writing. Verbal approval on a phone call is easy to lose track of.
Pack the unit in original packaging if possible. Insufficient padding can itself be a basis for denial.
Track the return shipment. Keep the tracking number; parcels that "arrive" without a signature are the most common dispute.

When a Claim Is Denied — What to Do

Ask for the specific clause cited. A proper denial should point at the warranty text, not at a generic "out of scope" reply.
Request internal escalation. First-line support often declines by default on anything marginal.
Invoke statutory rights in your country. EU/UK/AU buyers in particular can cite local consumer law and the retailer's own liability.
Escalate through the payment channel. Credit-card purchase disputes have their own refund windows that are independent of the manufacturer.
File with a consumer protection body (e.g. state Attorney General in the US, ACCC in Australia, Citizens Advice in the UK) if escalation fails.

Extended Warranties and Protection Plans

Extended plans sold at checkout are a net-negative for most buyers on cheap robots: the plan cost is often 15–25% of the product price, and budget robots are rarely worth repairing once out of standard warranty. The math changes on premium models ($1,000+) where a motor replacement costs more than the plan, and for households that use the robot daily. Read the plan wording for accidental-damage language: that is the one real differentiator from the base warranty.

How to Keep Your Warranty Intact

Register the product within the registration window.
Keep the receipt, the box, and the serial-number sticker photo.
Use approved cleaning solutions in mop tanks and approved filters.
Keep firmware up to date — some brands log your firmware version and use it in claim decisions.
Do not open the unit to "take a look" before contacting support.

Frequently Asked Questions

Is the battery covered separately?

Usually yes. Many brands list the battery with a shorter term (often 6–12 months on budget models) even when the main unit is covered for 1–2 years. Check the exact warranty page.

Does dropping the robot void the warranty?

Impact damage is not covered by the main warranty, but the robot's other (non-damaged) systems remain covered. In practice, if a drop cracks the LiDAR dome and three months later the motor fails, the motor repair is still a valid claim; the cracked dome is not.

What about marketplace purchases (Amazon third-party, eBay)?

Most manufacturers honour warranty only when the unit was sold by an authorised retailer. "Fulfilled by Amazon" is not the same as "sold by Amazon." Before you buy, check the seller name on the listing against the brand's authorised-seller list.

Can I transfer the warranty if I sell the robot?

Most consumer warranties are non-transferable — they cover the original purchaser only. The second buyer generally has no claim against the manufacturer, only against the private seller.

What if the manufacturer goes out of business?

The warranty typically dies with the company. This is worth thinking about for smaller brands and crowdfunded robots. Statutory consumer rights against the retailer (if they are still in business) continue regardless.