Balboa Instruments Duplex Digital Panel 2 Pump "temp setting spa" Questions

...temp. setting it keeps heating at original temp I am having trouble with my temp. control on my outside spa.  When I change the temp. setting it reads correctly but then the water continues to ...

Spa heateer run by Balboa 500Z control box. Standard mode will not shut off. Lowering temp to 88 still gets temp up to104.what is problem? While in standard mode the motor will not shut down after the

Temp: The Spa is Operating in the "Economy" (Ecn or Ec) Heating Mode. The Water Temperature is Sampled Only during Programmed Filter Cycles. The Heater will Only operate and Heat up to Set Temperature

...it's own heat (a pump can generate up to 26 degrees temp on it's own if run long enough) if still continues then maybe a circuit board fault thanks Adam Miller service manager, Canadian Spa Company, ...