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. Our staff of highly skilled, trained professionals has extensive experience in technical and clinical applications, electronics, and process quality control.

North America Technical Support

Monday through Friday | 8:30 a.m. to 6:00 p.m. EST
U.S.: 800-348-9011 (press 1 for technical support)
Canada: 866-442-1011
Visit to submit an inquiry, report an issue, or place a service part order.

LifeVest® Technical Support

24 hours a day, 7 days a week
Telephone: 800-543-3267
Fax: 866-567-7615
Email: [email protected]

Data Systems Technical Support

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

Monday through Friday | 8:00 a.m. to 8:00 p.m. EST
Telephone: 800-663-3911 (select option 9)

International Technical Support

Monday through Friday | 8:30 a.m. to 6:00 p.m. EST
+1-978-421-9460 | [email protected]
Contact 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

We are pleased to provide technical assistance through our Technical Support Department, should you have questions about your ZOLL device and/or require service/repairs.
Monday through Friday | 8:30 a.m. to 6:00 p.m. EST
800-348-9011 (press 1 for technical support) |

    Press 1 for data support
    Press 2 for ventilator and aspirator support
    Press 3 for AED support
    Press 4 for all other products

The below information will be required to open a service request:

  • Unit serial number
  • Description of the complaint
  • Department where equipment is used
  • Patient information (if applicable)
  • ECG strips (if available)
  • Purchase order number if device is out of warranty/service contract

This information will assist us in performing a full evaluation when your unit is received at our Service Depot. We will provide you with an RMA number to track the return of your product.


RepairsThe ZOLL Service Depot performs repairs and preventive maintenance for all ZOLL devices. Our service technicians are highly skilled and trained in accordance with our technical service standard operating procedures. Extensive training is required for all technicians prior to evaluating and repairing any device. All devices serviced in our Service Depot undergo a rigorous and systematic recertification process prior to their return.


Software upgrades will be provided at no charge if the software upgrade is required to repair a deficiency in the existing software. Hardware upgrades will be provided at no cost if the hardware is required to perform the software upgrade necessary to repair a deficiency in the existing software.

ExpertCare™ Service Programs

ZOLL offers a variety of service program options to suit your needs and your budget. These programs are designed to help budget your maintenance costs and protect against price increases. ExpertCare Service Contracts are available for purchase by contacting our ZOLL Service Contracts Team.
800-348-9011 | [email protected]

On-site Service

On-site ServiceWe are pleased to offer on-site service through our Precision and Worry-Free ExpertCare Service Programs. Specifically designed for customers that require an on-site service plan, ZOLL on-site means that our field technicians travel to your site to perform planned maintenance and repairs,* identifying potential issues before they arise and ensuring that your equipment is functioning at its highest level.

Our field technicians, many of whom are former EMS professionals, have an average of 10+ years of experience and have completed at least 200 hours of training. Dedicated to the highest-quality customer service in the industry, our technicians are experts on the operation of every piece of ZOLL equipment.
*Only closed-box repairs can be completed on-site (software updates, software reloading, handle replacement, external cable replacement).

Technical Training

Technical Training

Our ZOLL Technical Training Team offers classes to certified biomed professionals from our customer sites. These programs provide a comprehensive overview of all ZOLL products, with an emphasis on the product(s) listed for each course. Upon completion of the training, each student will receive a certificate of course completion. We offer training classes at our ZOLL corporate offices in Chelmsford, MA, or on-site at your facility. View class dates and register online for our Technical Training Programs.

Non-Technical Customer Support

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