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- Turn the boiler off at the mains power source for at least 5 seconds before turning it back on. This is usually a fused switch near your boiler.
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- On the receiver, set the switches in the ON and AUTO positions.
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- Now switch the On/Off switch OFF and then back ON, a red light should begin flashing. Nb. If your thermostat is 'Pre' October 2018 then wait 5 seconds before switching your receiver back on.
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- With the thermostat over a metre away from the receiver, pull down the slide cover on the front of the thermostat to reveal the Test / Pairing button.
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- Using a paperclip, pin or similar, press and hold the Test / Pairing button until you see SYNC 10 displayed.
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- The two devices will now try to pair, and the receiver light should stop flashing and turn solid red.
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- Press and hold the test/pairing button on the thermostat until the display returns to the time and temperature.
- Your devices should now be paired and you can test them as follows.
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- To test the pairing process and ensure that you have a clear unobstructed communications link between your thermostat and receiver, press the Test / Pairing button once and βTEST 10β will be displayed.
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- If you have a good link between your devices, both lights on the receiver will flash. If they both turn off, then either something is blocking communication like a thick wall, fridge or filing cabinet etc. or your pairing process was unsuccessful. Move your thermostat closer to your receiver and try again.
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- Alternatively, to physically test the devices are working, turn the temperature on your thermostat above the current room temperature, your receiver should click, a green light should turn on and your boiler should now start to run.
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- Your Thermostat should now be calling for heat and displaying a flame icon as shown.
Your receiver should click, a green light should turn on and your boiler should now start to run.
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