masterdrago Posted September 28, 2016 Report Share Posted September 28, 2016 I want to test the regulation probe/temp probe on my 8 year old Oceanside Morgan Spa. My unit randomly and intermittently overheats to about 108 degrees. Most often the display will be reading 108 also. If I sit and watch it, the display will blink entirely random values - 32, 76, 92 and so on. I've noticed that any time those values are not 108, the heater comes on. I tried cleaning the connector pins at the spa pack to no avail. I took the probe out (pn 5-60-7014). The connector has 3 wires on a 4 pin molex - black, white, red wires. It seems now to be open between all wires. It did not b4 I removed it but I did not write down the readings while at 108. Is there a chart or graph somewhere that gives ohm readings vs temperature of the probe? It might be the same one as this but my white wire is green on this one https://spacare.com/GeckoSSPAandMSPATempSensorWith4PinPlug9920-400262.aspx Quote Link to comment Share on other sites More sharing options...
Dr. Spa Posted September 29, 2016 Report Share Posted September 29, 2016 I believe that's a 10k ohm thermistor. Quote Link to comment Share on other sites More sharing options...
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