search this Trouble Shooting Pairing B-hyve™ Controller with Smart Device & Wi-Fi hrproducts
As above.. also that your phone app connects to your timer via bluetooth initially, then sets up the wifi connection so check your phone bluetooth connections screen too
Can select in app one of several devices at a time
Get a new unit (quickest fix) or contact help phone and discuss options
Bad luck I think, did you check with orbit good chance warrenty covered it?