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Gas Revenue Collection L&G TSG: Step 5 – HAN join continued

Once HAN Join is successful (allow maximum of 7 mins from pressing Commission button on ToughPad), press button A when the 'Join Ok' message is seen on the Meter display.

However, due to processing time, the HAN join process is likely to have a need to be repeated. To repeat this, press button 'A' (red) to try a second HAN Join Attempt and repeat every minute for a maximum of 7 minutes.

The HAN LED will go to MFF (up to 10 mins) and GAS LED will go to LFF.

Ok, proceed to step 6

Having problems? See our Troubleshooting Guide below.


There are a few issues you may encounter:

'Join Failed' message is shown after 7 minutes.

Gas Meter display doesn't show 'Join HAN' message (within 7 minutes).

HAN LED doesn't transition to MFF.
GAS LED doesn't transition to LFF.

Installer actions to rectify any of these issues:

  • Install Legacy Prepay meter
  • If a Legacy Prepay meter cannot be installed, install a commissioned SMETS2 Credit electricity meter