Performed maintenance on Water Furnace 5 series two stage geothermal heat pump system 30x32x2 filter is new Air coil is clean Drain pan is clean Put Condensate treatment in the drain pan to mitigate drain trap clogs 30mfd capacitor tested 28mfd, which is within tolerance Heat and extraction and heat of rejection into the ground loop falls within factory specs 21⁰ drop in second stage cooling 18⁰ drop in first stage cooling 27⁰ rise in second stage heating Heat strip wiring is showing no signs of overheating Wiring connections are all tight and secure No signs of leaks of ground loop plumbing No signs of leaks from condensate lines No stored fault codes that indicate a malfunction Geo is running properly at this time Concern of Reme Halo UV system not functioning Bulb replacement likely is what is needed Found wire harness to the bulb is damaged, as well Discussed options and decided to disconnect the power to it Quoted alternative product: NuCalgon iWave air ionizer Requires no mai