If you have a non-emergency technical question, please send a detailed e-mail that includes your name, company name, phone number, product, part(s) in question, and any other related information. Someone from the OTC DAIHEN Service Department will contact you within the next business day.
In the event of an emergency after normal business hours (Monday through Friday, 8 a.m. – 5 p.m. Eastern Time), technical support is available via phone. Simply call our support line and leave your name, company name, phone number, and a brief description of your problem. A service technician will return your call as quickly as possible. The after-hours support number is 1-866-460-8566.
For all customer service matters, please contact us using one of the following methods:
For more information about training and dates, please visit our training page.
When you are in need of onsite technical support from our staff, please complete the following form.
For more information about returning equipment to OTC DAIHEN for evaluation and repair authorization, please visit our repair request page.
Don’t miss another OTC training class — Sign up for reminder emails!