Recent content by Scurry57

https://youtu.be/rsEQcYrXSWk in the beginning of this video it shows the switch and how it should function. If you can remove it you can see how easy it is to test it.

Use the meter to test the actual switch not the wires going to the switch. if you can't test it while its running you can remove the switch and test it manually.

You can test it easily if you have a multimeter. Disconnect the harness from switch and test for continuity or ohms across the 2 terminals will the pump is running and while it's off. You should have continuity or close to 0 ohms while it's on and open when it's off. not sure what style switch...

Flow switch is probably going bad and starting to stick.its a pressure switch by the heating element. If you lose water flow the heater shuts off to protect the heating element from overheating. on my tub changing the switch is a like a 10 min job. You'll need basic hand tools and some teflon tape.

Make sure you have GFCI protection on the tub if you do this.

kill the power to the tub. Disconnect one of hot the wires to the heater. Power it back up and get the tub running so it's calling for heat. If your tub has open door switches you'll need to defeat them with a magnet in order for the tub to run with the doors open. Be very careful with the loose...

I had the same problem with my sentry. Something shorted on the board. The coils for each leg were working but it wasn't getting 220v at the element. The main boards for this tub are hard to come by and very expensive! I used a jumper to power the dead leg after making sure all the interlocks...