Unplug your router, bring the controller (with the power adaptor) downstairs with you and unplug the exhaust unit.
Plug both the controller and the exhaust unit in to complete the following steps:
 | Hold the UP & DOWN ARROWS together Release the UP & DOWN ARROWS when you see the ~Debug Menu~ |
 | Select "Factory Reset" by using the DOWN ARROW Tap the RIGHT ARROW |
 | Use the DOWN ARROW to select "YES" Tap the RIGHT ARROW |
 | Select the appropriate Language using the UP/DOWN ARROWS Tap the RIGHT ARROW to select/continue |
 | Select the appropriate Temperature Format using the UP/DOWN ARROWS Tap the RIGHT ARROW to select/continue |
 | Select the appropriate Clock Format using the UP/DOWN ARROWS Tap the RIGHT ARROW to select/continue |
 | Select the appropriate Time Zone using the UP/DOWN ARROWS Tap the RIGHT ARROW to select/continue |
 | Enable/Disable Daylight Savings using the UP/DOWN ARROWS Tap the RIGHT ARROW to select/continue |
 | Unplug the Exhaust unit. Tap the RIGHT ARROW to continue |
 | This can take up to a minute to complete |
 | Plug in your Exhaust unit. Tap the RIGHT ARROW to continue |
 | This can take up to a minute to complete |
If you get this screen, the controller may be too far from the Exhaust unit. Try again, if you fail to connect, try connecting when closer to the Exhaust unit. (Tap the RIGHT ARROW to Retry) |  |
 | The system continues to the next screen automatically |
 | You're done! |
From here, follow the onscreen instructions to pair the controller with the exhaust unit. When paired, you may bring the controller (with a power adapter) back upstairs and plug it in. Your router may be powered up again. | |