What causes a spa temp sensor to error?
However, the usual cause for spa temp sensor error codes is that the water flow is insufficient, and when water moves too slowly through the heater, it doesn’t remove the heat fast enough, which triggers all sorts of error codes for flow rate and overheating. HOT, OL, HL, FLO, Sn…
Where do I find the spa code on my heater?
With these spa sensor codes, the Temperature Sensor is open or shorted. The temp sensor and the high limit are usually located on the heater housing, with 1-2 small wires coming off and connecting to your controller. With the system powered off, you normally unscrew the sensors from the heater manifold, and unplug the wire from the panel.
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.
Why is my Hayward pool heater not working?
Heater runs for a while then shuts off and shows ‘HI or HP’ on display. Low water flow is normally the problem. Check filter and pump. A common problem when running unit on spa only exists in the summer when spa temperature of about 100° F is reached and the unit shuts off with the ‘HI’ fault.
How can I troubleshoot my pool heater problem?
Troubleshooting pool heaters is a methodical process; or a process of elimination really. First eliminate water flow issues, then gas flow issues, and finally the low voltage electric currents that run between pool heater components.
Heater runs for a while then shuts off and shows ‘HI or HP’ on display. Low water flow is normally the problem. Check filter and pump. A common problem when running unit on spa only exists in the summer when spa temperature of about 100° F is reached and the unit shuts off with the ‘HI’ fault.
Where is the model number on a Hayward pool heat pump?
Model number is found on the data plate located on the bottom right of the electrical cover on Hayward Heat Pro units. On Summit style Heat Pumps the data plate is located on the left side of the base pan Leaking water
What kind of heater do I need for my Hayward pool?
Here’s two charts for Hayward pool heater troubleshooting, the first is for millivolt heaters and the one further down is for electronic or digital heaters, those that give an error code on display. Troubleshooting chart for Hayward Universal H-Series millivolt pool heaters, with standing pilot, models H150, H200, H250, H300, H350, H400
