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Service & Warranty

This Limited Warranty applies to products sold through the following three channels:

  1. Zigma's official Amazon store in the US and Europe;
  2. This site (;
  3. Distributors authorized by Zigma.


This Limited Warranty applies to the products sold by Grit Technology Co., Ltd ("Zigma"). Zigma's warranty obligations are to the original purchaser ("you") only. This Limited Warranty cannot be assigned or transferred. This Limited Warranty is limited to the terms set forth below.


NEW PRODUCTS Limited Warranty – Under normal conditions, the Zigma product you have purchased will enjoy the corresponding warranty policy in accordance with the laws of the country where the purchaser is located from the date of purchase. 


This Limited Warranty is only applicable to Zigma products with FCC and CE certification officially sold in the United States and Europe.


CERTIFIED REFURBISHED PRODUCTS Limited Warranty – The Zigma product that you purchased will be free from defects in materials and workmanship when used under normal conditions for six (6) months from the product purchase date. This Limited Warranty only applies to refurbished products officially certified by Zigma.


PROOF OF PURCHASE - To make a claim under our Limited Warranty, you must first show us the date on which you purchased the Zigma product. Your bill of sale or similar document is sufficient. If you are unable to show us the original date of purchase, the time periods in this Limited Warranty will start on the date we shipped your Zigma product from our factory.


EXCLUSIONS This Limited Warranty does not cover defects or damages caused by (a) consumable parts, such as brushes, batteries, unless the consumable part has been damaged due to a defect in materials or workmanship in a non-consumable part of the Product(s); (b) normal wear and tear and cosmetic damage, including, but not limited to, scratches, dents, and broken plastic; (c) defects or damage caused by misuse; accidents (including, without limitation, collision, fire, and the liquid); neglect; abuse; unusual stress; modification; improper or unauthorized repair, installation, wiring, or testing; alterations not approved by us, improper repairs or service, or use of improper parts and accessories not supplied by us; (d) damage caused by operating the Product(s) outside the permitted or intended uses described by Zigma; (e) damage caused by use with non-Roborock products; (f) any non-Zigma products, even if packaged or sold with the Product(s); (g) misuse or failure to follow the operating instructions, and failure to perform recommended maintenance; or (h) use in any other manner than normal and expected use. (i) the serial number of the Product has been removed, erased, defaced, altered or is illegible in any way (as determined at our sole discretion) (j) This Limited Warranty does not apply to accessories and other consumable items, such as filters or brushes; (k) you are in breach of the terms of this limited warranty or your contract with us.


Zigma is not responsible for damage arising from failure to follow instructions relating to the use of the Product(s). You are responsible for (a) proper use of our Product; (b) routine preventative maintenance and (c) following proper product handling recommendations provided in our instructions manual, quick start guide, and on our website.


CUSTOMER SERVICE - Please contact Customer Service: customer service of Zigma APP  to determine your problem and the next steps.

Zigma will provide end-users with proprietary remedies based on actual conditions:

either (i) repair the Product;

(ii) replace the Product with a new or refurbished Product (replacement Product being of an identical model or a functional equivalent);

(iii) provide you a refund of the price you paid for the Product (excluding taxes and shipping costs). Any Products that are repaired or replaced under this Limited Warranty will have warranty coverage under this Limited Warranty for the longer of:

  • 90 days from the date of repair or replacement;
  • the remaining original Warranty Period. Replacement parts used in the repair of the Products may be new, equivalent to new, or refurbished.


 NO OTHER WARRANTIES – Grit Technology Co., Ltd does not warrant the functions contained in the Zigma product that will meet your requirements. The entire risk as to the quality and performance of the Zigma product is with you. To the maximum extent permitted by applicable law, Grit Technology Co., Ltd and its suppliers disclaim all other warranties, either express or implied, including, but not limited to, implied warranties of merchantability and fitness for a particular purpose, with regard to the Zigma product and the accompanying written materials. This Limited Warranty gives you specific legal rights. You may have others that vary between states/jurisdictions.


NO LIABILITY FOR CONSEQUENTIAL DAMAGES - To the maximum extent permitted by applicable law, in no event shall Grit Technology Co., Ltd or its suppliers be liable for any damages whatsoever (including without limitation, damages for loss of business profits, business interruption, loss of business information, or any other pecuniary loss) arising out of the use or inability to use the Zigma product, even if Grit Technology Co., Ltd has been advised of the possibility of such damages. Because some states/jurisdictions do not allow the exclusion or limitation of liability for consequential or incidental damages, the above limitation may not apply to you.

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