Sometimes a simple "reset" works. Remove the key and re-insert it firmly, ensuring it is the right way around. Some SSE-branded meters may require this step specifically to refresh the emergency credit screen.
: It could indicate a problem with the data being transmitted or recorded by the meter, such as corrupted data or a failure in the meter's internal logging.
If you have tried the steps above and the D2 error persists, you have a hardware or configuration issue. Call your electricity supplier immediately if:
Here’s a clear, helpful review/explanation of the code on an electric meter, written as if for a customer FAQ or troubleshooting guide:
: Sometimes, a simple power cycle (turning the power off and on) can reset the error.
Dust, grease, or dirt on the key's gold chip can prevent it from working. Wipe the key gently with a clean, dry, soft cloth. Check the meter's slot for debris or moisture.
: Given the specificity of error codes and the variability between different meter models, consulting the user manual or contacting the manufacturer's technical support can provide model-specific guidance.
If the key was recently topped up but the meter won't accept it, the key might be corrupted or blocked. Try checking your receipt for a "Credit Failed" message; if it appears, you must take the key back to the PayPoint, Payzone, or Post Office where you topped up.
: The meter is struggling to "talk" to your key or card. This often happens if the key is dirty, damaged, or not inserted correctly.
A comprehensive guide to the on an electric meter.
Before calling your supplier, try these troubleshooting steps to restore power: