Telma provides a variety of videos and guides to assist with troubleshooting, repair, and maintenance of your Telma retarder and control system components. In addition to the videos and articles below, further guides and procedures are found in the manuals section of this website.

Manuals and Guides


Featured Videos


Video 1 : Relay Box Operation and Amperage Test

Video 2 : ABS Interface Troubleshooting

Video 3 : Checking Telma Air Gap and End Play