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E1 fault on digistat room control for Worcester Bosch Greenstar Junior 24i?

Hi,
My Greenstar Junior 24i/28i has hot water, but no heating. The digistat room controller is showing E1 fault. The batteries have bene changed, any ideas how to get the heating/controller working?
Thanks in advance
Beckie, March 2013
Your thermostat has lost connection with the boiler It needs to be paired again. Follow pairing instructions on the internet. E1 is a setting on the thermostat. When this shows turn the dial left or right until it shows A to put it in pairing mode.

jenny, October 2019
Sensor on digistat faulty, this will mean the wall mourned digistat will need replaced.

Steve, March 2013
link Click here to see other fixes for Bosch Greenstar.