The manual specifies a CR2032 or CR2450 lithium battery. Open the front flap—do not use a metal tool that could short the PCB.
Screw terminal cracked or stripped. Fix: Unfortunately, terminals on modular controls are not field-replaceable. You must replace the entire BP 10140. Search for a NOS (New Old Stock) unit on eBay or industrial surplus sites. hager controls bp 10140 manual
The Hager BP 10140 (EG103 series) is a single-channel, DIN-rail mounted digital time switch featuring 24-hour or 7-day programming with up to 56 steps. It allows for manual overrides, includes a power reserve for memory retention, and requires professional installation. Detailed programming, including setting ON/OFF times and activating automatic mode, is accomplished via front-face buttons. For a video walkthrough of the programming process, visit Hager EG103 Programming The manual specifies a CR2032 or CR2450 lithium battery
If you are holding the device, look for secondary markings: date codes, CE labels, or voltage ratings. This will help confirm which exact manual revision you need. Fix: Unfortunately, terminals on modular controls are not