Here are some known Umeme Yaka Meter Token error codes (the hashed naming convention is ours).
#Invalid code
Error: AAAAAA AAA Token has been entered incorrectly or is invalid. Solution: Simply re-enter the code or call customer care for assistance.
#Used code
Error: ddddddd ddd Token has already been used and can’t be used again Solution: Buy another Umeme Yaka code
#Expired code
Error: 0000000 000 Token has expired. Solution: Use token within 3 month from date of purchase. Call customer care for token renewal.
#programmed default code
Error: ddt The meter has been programmed to default code and can’t accept credit tokens. Solution: Call customer care for assistance.
#Too high credit
Error: 9999999 999 The current available credi on the Yaka meter is too high to accept more credit. Solution: Re-enter the token when the credit levels drop
#Too large Token
Error: EEEEEEE EEE The token value is too large and can’t be displayed. Hence it can’t be processed. Solution: Call customer care for assistance.
#Too low credit
Error: 2 buzzing sounds at regular intervals Your credit is lower than acceptable figure. Hence the buzzer will make two short beeps at regular intervals. It happens when you have less than 15 units. Solution: To silence the buzzer, press the backspace key. So there you have it; All the known Umeme prepaid meter error codes. That will probably help you do the troubleshooting yourself before calling customer care.