Smart meter

Had a new smart meter fitted 3 months also and only the gas one is showing on the display how do I get them to come and sort it out

Had a new smart meter fitted 3 months also and only the gas one is showing on the display how do I get them to come and sort it out

With great difficulty!
Suppliers only seem interested in installing meters to get their installation numbers up - they don’t seem to care whether the meters are actually working or correctly configured.