Why is my spa error code SN2 not working?

If water is not flowing through the heater chamber fast enough, it gets too hot, and the safety high temp sensors go into action – just doing their job. For these trouble codes, the high limit sensor is open or shorted. It could be a loose plug connection or bad wire, or it could be a problem related to water flow.

What do SN, SN1 and SN2 codes mean?

In summation; when you have spa trouble codes of Sn, SnA, Sn1, Sn2. Sn3, HL, EO, E2, E3, Prh, Prr – these all refer to the heat sensors that are usually attached to your heater manifold. Inspect the wire and plugs, check the spa water level and make sure water is flowing free and fast.

What are the error codes for the spa filter?

Spa Error Codes: Sn, Sn1, HL, E2, E3, Prh For these trouble codes, the high limit sensor is open or shorted. It could be a loose plug connection or bad wire, or it could be a problem related to water flow. Clean or replace your spa filter cartridge as a first step.

What are the error codes for the high limit sensor?

Why does my Spa have an error code SN?

Here’s a Cal Spa troubleshooting chart for when your spa topside display shows a sensor error code Sn, Sn1, Sn2, Sn3… As you can see, it could be a nuisance tripping, or the wires could be absorbing excess heat, need calibration, or simply be faulty.

What are the error codes on the Balboa spa?

Balboa Spa Side Error Codes pd Power supply, unit running on battery ba OH Sensors reading 112-118° F. OHH Overheat. Spa has shut down. One sensor OHS Overheat. Spa has shut down. One sensor

Why is my spa error code SN2 not working?