My Aqualink RS4 is 14 years old. The spa has spontaneously started to completely`empty into the attatched swimming pool and then fills back up…

my aqualink rs4 is 14 years old the spa has spontaneously started to completely`empty into the attatched swimming pool and then fills back up again it does this 2 or 3 times daily i have called my pool service but service is so backed up they will not get to me for 3 days do i need to do anything in the meantime