IHD not working

Was only showing gas to start with, now not showing anything, just says ‘waiting for current data’. Never had electricity displayed. Installed about 3 weeks ago. How can this be fixed?

Was only showing gas to start with, now not showing anything, just says ‘waiting for current data’. Never had electricity displayed. Installed about 3 weeks ago. How can this be fixed?

Please see: https://community.bulb.co.uk/discussion/10459/smart-meter-installations-where-we-re-up-to-and-what-s-next#latest on what to do next.