If the meter displays an error, use this list to identify the cause: Error Code Token already used This token was previously entered. Token expired The token has timed out; contact your vendor. Incorrect meter number The token was bought for a different meter. Technical fault The meter has an internal hardware failure. Duplicate token You are trying to enter the same token twice. Key Revision
You are running dangerously low on credit. siemens cashpower 2000 pre paid meter user manual
Your prepaid electricity system consists of two main parts: If the meter displays an error, use this