Smart meter display problem

My Smart Meter was installed a day ago and I have since discovered that my in home display is showing only the gas usage. I have followed the instructions to swap between gas and electricity (or both) and it has no function at all. Any help would be appreciated.

http://community.bulb.co.uk/discussion/9940/what-to-do-if-your-in-home-display-ihd-is-not-working#latest