This is the compact, plug-in keypad device installed inside your home. It communicates with the MCU over existing home electrical wiring (Power Line Carrier technology) or via a dedicated cable. You use this interface to input tokens and view credit data. Key Visual Indicators
The system uses Power Line Carrier (PLC) technology, meaning the CIU communicates with the meter directly through your home’s existing electrical wiring, requiring no extra communication cables. 2. Setting Up the Customer Interface Unit (CIU)
The LCD screen provides continuous visual feedback about your power usage and meter status. Understanding these icons helps monitor your utility usage. Standard Icons
Once submitted, the screen will display one of the following messages:
Many Siemens Cashpower 2000 meters are configured for . This means electricity costs more during "Peak" hours (e.g., 5 PM – 9 PM) and less during "Off-Peak" hours (e.g., overnight).
– Displays the last 20-digit token successfully entered into the meter. 005 – Displays the credit value added by the last token.
If your meter is not functioning correctly, check for these common issues:
: Displays the total kilowatt-hours (kWh) used since installation. : Displays the current power consumption in Watts. Troubleshooting and Error Codes
: Use the backspace key to correct entry errors during token input. Common Icons and Indicators
Drop a comment below (including the exact code and your country), and I’ll help troubleshoot.
If your electricity supply is cut off, follow this checklist:
