Technical Service and Support

ZOLL Technical Support and Service Department is dedicated to providing world-class technical support around the globe. Our award-winning technical support team takes pride in delivering high quality service to our customers. The staff of highly skilled, trained professionals has extensive experience in technical and clinical applications, electronics, and process quality control.

U.S Technical Support

Technical Support
Monday - Friday
8:30 a.m. to 6:00 p.m. EST

978 421-9655 Direct
800 348-9011 Toll-free (US) 
866-442-1011 Toll-free (Canada)


LifeVest® Technical Support

24 hours a day, 7 days a week
Telephone: (800) 543-3267 
Fax: (866) 567.7615 


Data Management Products Tech Support

Telephone: (800) 663-3911 (select option 7 for fire customers) 
Fax: (303) 801-0001 
ZOLL Data Customer Community

Standard Support is available 8:00 AM - 8:00 PM ET, Monday – Friday. Emergency after-hours support is available for customers using RescueNet Dispatch 24 hours a day. Customers can also call and select the option to have an on-call technician paged.

Road Safety® Technical Assistance

Telephone: (800) 663-3911 (select option 9)
ZOLL Data Customer Community

Support is available 8:00 AM to 8:00 PM Eastern, Monday – Friday.

International Technical Support

International Support is also available by calling 978 421-9460 Monday through Friday from 8:30 a.m. to 6:00 p.m. EST or by contacting the nearest regional office.

Emergency Technical Support

Emergency Technical Support is available outside of normal business hours 365 days a year, by calling 800 348-9011 or 978 421-9655 to speak to an on-call technician.

Product Related Issues

Support for product-related issues is available through our Technical Support Help Desk by calling 800 348-9011 or 978 421-9655. Technical Support will require pertinent information to open a Service Request. To facilitate this, please complete a Customer Call Report. This information will assist us in performing a full evaluation when the product is received at our Depot. You will be given an RMA number to track the return of your product.


Repairs are provided via the ZOLL Service Depot by factory-trained Service Repair Technicians. Each unit is certified by successfully completing the 6 Month Checkout Procedure as detailed in the appropriate Service Manual, applying a Calibration sticker, and returning the product with a Warranty Repair Form indicating the work performed. As an ISO-certified facility, we retain training records on each employee and are committed to providing the highest level of quality in the servicing of all ZOLL products.


All upgrades are performed in the ZOLL Medical Technical Service Depot. Outside the US, contact your local ZOLL office or Authorized Distributor. Within the US, if you would like to have your device upgraded, contact the Service Contract & Upgrade Specialist at 800 348-9011 or 978 421-9890 or email service inquiries to In the US, Service Loaners will be available for use during the upgrade process.

Extended Warranty and Preventive Maintenance Programs

ZOLL Medical offers a variety of Extended Warranty and Preventive Maintenance programs. These programs are designed to help you to budget your maintenance costs and protect you against price increases. An Extended Warranty can be purchased at any time by contacting ZOLL Technical Support Contracts Department.

Technical Training

Technical Training is available for both EMS and Hospital Biomed customers. We offer one-day EMS training and two-day Biomed training, both at our ZOLL Chelmsford, Mass., location and on-site at the customer’s location. View class dates and register online for our Technical Training Programs

Non-Technical Customer Support

For non-technical questions, to place an order or check on an existing order, please contact Customer Service.