Should a hot tub heater feel warm?
No, it should not feel hot to the touch, not until the water’s temp is higher. Stick a thermometer in the tub. It should be rising a degree or two an hour. (You don’t need to wait hours & hours.
What to do if your spa heater does not heat?
Once they are removed, tape them together; turn the thermostat dial down to the off position, and turn the power back on. Make sure the spa is on the heater/filter cycle and water is flowing from the jets, turn the thermostat dial up while watching the contactor, if it closes when doing this, then re-test the heater using the amp-meter.
Where does the water come from to heat a spa?
Find the two wires that feed the heating element coming from contactor (. With the spa in the heater/filter cycle and water flowing from the jets, watch the contactor that is feeding the heating element while you turn the thermostat dial up and down. ( This may require two people.)
What does the light on the side of a spa mean?
IMPORTANT: Some spas have the thermostats located on top. These are called Spa Side Controls, they have built in air buttons and orange indicator lights. One of the indicator lights says heater, this light comes on regardless if the spa is heating or not. Do not troubleshoot using this light, it could confuse you. Why Does The Hi Limit Switch Trip?
What to do if your hot tub starts heating up?
First of all, open and close the spa door on the spa cabinet, and see if it starts heating. If the hot tub is gas-powered, you should check if the pilot light turned off and turn it back on. Another option is to replace the insulating cover since a damaged cover will affect the heating of the tub.
Once they are removed, tape them together; turn the thermostat dial down to the off position, and turn the power back on. Make sure the spa is on the heater/filter cycle and water is flowing from the jets, turn the thermostat dial up while watching the contactor, if it closes when doing this, then re-test the heater using the amp-meter.
Find the two wires that feed the heating element coming from contactor (. With the spa in the heater/filter cycle and water flowing from the jets, watch the contactor that is feeding the heating element while you turn the thermostat dial up and down. ( This may require two people.)
IMPORTANT: Some spas have the thermostats located on top. These are called Spa Side Controls, they have built in air buttons and orange indicator lights. One of the indicator lights says heater, this light comes on regardless if the spa is heating or not. Do not troubleshoot using this light, it could confuse you. Why Does The Hi Limit Switch Trip?
When to use Spa when temperature is flashing?
Do not use spa when temperature is flashing or the OH message is displayed. HLoH = Hi Limit Over Heat. Hi limit sensor is disconnected or shorted or the spa temperature is above 112° F. SEoP = Sensor open or disconnected. Heater disabled but the spa is operational. SESH = Sensor short, nonfunctional.
