http://fixed4free.com/answers.php?id=309560
Remove the thermostat cover.
Then at receiver, press 'reset' for 4 secs. Then press 'set'
On thermostat press 'learn'.
The green light will flash, then go off, after 20 secs, it will illuminate. If it goes red, you have a fault. Hope this helps.
THung, January 2015