Check for a voltage drop across the main shunt inside the EBL. Apply a momentary 12V pulse to the relay coil lines to see if it triggers. If it clicks but fails to continuity-test across the main poles, the relay must be replaced. 3. Refrigerator Does Not Run on 12V When Engine is On
I can provide step-by-step instructions on how to with a modern smart charger.
The series includes the EBL 99 K, EBL 99 G, and variants with overvoltage protection (OVP). 2. EBL 99 Service Manual: Core Components Go to product viewer dialog for this item.
The system distributes up to 40 Amps across all internal 12V DC circuits combined.
The EBL 99 charger module does not feature a dedicated Lithium charging profile. If you upgrade your cabin battery to Lithium, you must either add an external battery-to-battery (B2B) charger or disable the internal charger and use a dedicated lithium-compatible smart charger.
The EBL 99 has an internal glass fuse or an external 20A "Zusatz-Laderegler" fuse protecting the charging circuit.
If you want to dive deeper into troubleshooting, let me know:
14.3V boost charge held for before dropping to 13.8V. Blei-Säure Standard Liquid Lead-Acid / Wet
Open the housing and inspect the heavy soldering joints around the physical cube relays on the PCB. Vibrations from driving cause these solder pads to crack over time. Re-flowing the solder points with a high-wattage soldering iron often fixes the issue. 6. Upgrading to LiFePO4 (Lithium) Batteries with an EBL 99
The Schaudt Elektroblock EBL 99 is the central power management heart of thousands of European motorhomes and campervans, particularly those built by Hymer, Burstner, and Detleffs. If your 12V cabin lights just went out, your battery is not charging on shore power, or you are trying to wire a new solar panel controller, understanding the EBL 99 is essential.
Schaudt EBL99 G E | PDF | Battery Charger | Power Supply - Scribd