Starting August 1st 2026:
- The LongMill CNC warranty has been changed from 90 days to 1 year.
- The AltMill CNC warranty has been changed from 120 daysto 1 year.
- 1.5kW, 2.2kW and ATC spindles warranties have been changed from 90 days to 1 year.
- SuperLongBoard and SLB-EXT controllers warranties has been changed from 90 days to 1 year.
- Vortex Rotary Axis warranty has been changed from 90 days to 1 year.
Unless specifically noted on the respective product page, we now provide a 1 year warranty to all other products once the order is received by the purchaser, against missing parts, defects in material, and defects in workmanship. This warranty does not cover products for wear and tear, improper use, intentional damage, modifications, and lack of maintenance. Consumables such as end mills, anti-backlash delrin nuts, and V-wheels that have been opened or used are not covered under warranty.
Sienci Labs will ensure additional service is provided to replace defective parts or provide a partial or full refund.
Sienci Labs may require you to ship back defective parts or provide additional information to provide warranty service.
As a courtesy to our valued customers, all CNC machines sold from August 1, 2025 and onwards will retroactively have their warranty extended to be 1 year from the time of receiving. If you requested technical support and paid out of pocket for service due to an expired warranty for machines received after August 1st 2025, please reach out to us for a refund or store credit at our discretion.
If you need warranty service, please contact us through this form.
General Warranty and Limits of Service:
Effective May 26, 2026
Throughout this policy, the words “we”, “us” and “our”, or “Sienci Labs” will be used to refer to Sienci Labs Inc. herein and “LongMill” or “machine” will refer to Sienci Labs’ LongMill MK3 30×30 and LongMill MK3 48×30. Additionally, the words “you”, “your”, “user”, and “operator” will refer to the original purchaser/customer, user, or viewer of any of the products or media provided by or through Sienci Labs.
Sienci Labs Inc. (the “Company”) grants the LongMill (the “Product”) a standard warranty within Canada and the US to the original customer to be free from missing parts, defects in material, and defects in workmanship for a period of one (1) year from the date of receipt by the original purchaser. Sienci Labs Inc. will ensure that the appropriate support is provided to the original customer to restore the LongMill to operational condition or provide a full or partial refund under the sole discretion of the Company.
This warranty does not cover damage due to improper use or assembly, lack of maintenance, normal wear and tear, or modifications to the LongMill which are not produced or authorized by the Company. Consumables such as cutting tools and sample or stock materials which may have come with your LongMill are not included in this warranty.
This warranty will become void if the operator does not follow the Safety Warnings and Guidelines, uses the Product for illegal purposes, intentionally causes damage to the Product, or transfers the Product to another owner.
The original customer must contact Sienci Labs Inc. within one (1) year of receiving their order to make a warranty claim to be eligible for warranty service. Proof of purchase, tracking number, email address, or other material will be used to confirm the original purchasing date and the identity of the original customer. If damage was due to shipping, original packaging materials must be kept in the original received condition. Photos, videos, written descriptions, and other items may be requested to assess and validate a warranty claim. In the case Sienci Labs Inc. requires the original parts to be returned, the customer is solely responsible for packing all items securely. Damage incurred during return shipping will not be covered by the warranty. A method of payment such as a credit card may be requested by Sienci Labs Inc. to cover shipping costs or damaged items if Products are not eligible for warranty service.