Take the batteries out of the main unit then put them back in the main unit then the remote sender this resets the main unit
Was this comment useful?
Outdoor display doesn't work after changing batteries
What works for me is to do the following on the temperature display unit: move the unit near the remote sensor. After opening the battery compartment, replace the TOP battery first; after you hear the beep, only then replace the bottom battery. You'll then hear a 2nd beep. The unit will then reset.
Was this comment useful?
Taylor Digital Thermometer 1434-9
Had the same problem. Did you try pressing the channel button? Sometimes the easiest solutions are the easiest to overlook :-)