United Spa Controls Error Codes Spa Parts Supply

Here you will find spa and hot tub troubleshooting guides and techniques along with spa and hot tub topside error codes and other information to assist you with your spa or hot tub issues.

You can submit a support ticket for your spa issue and recieve personal assistance from our service staff. A support staff member will contact you as soon as possible.

When you submit a question, please be as specific as possible. This will help our staff find the information you need with the least delays.

If there is information you would like to see included here, please submit a ticket so that our support staff can follow up with you and do their best to include the information for your spa or hot tub.

Knowledgebase Library

Spa Parts Supply > Service Department > Knowledgebase

United Spa Controls Error Codes

Solution

oH = The system water temperature has exceeded 118°F (48°C), causing the heater to automatically shut OFF. When the water temperature has dropped below 104°F (40°C), press the TEMP button to reset the heater. If this error message continues to occur, discontinue use of the spa and contact a qualified service technician to correct the problem.

Fr = The system water temperature has dropped below the minimum set point of 40°F (4°C). An automatic freeze protection will activate the pump(s) and heater - protecting the system from freeze damage. The heater and pump(s) will operate until the water has reached 43°F (6°C).

Flo = The flow switch is not measuring adequate water flow to permit heater operation. Check the spa for closed valves, low water level, or a dirty filter cartridge. If this error message continues, discontinue use and contact a qualified service technician to correct the problem.

Er0 / Er1 = The water temperature regulating sensor has malfunctioned or is not properly connected. IF either Er0 or Er1 error message is displayed, discontinue use and contact a qualified service technician to correct the problem.

Er2 / Er3 = The water temperature high limit sensor has malfunctioned or is not properly connected. IF either Er2 or Er3 error messages displayed, discontinue use and contact a qualified service technician to correct the problem.

Normal Operating Messages:

Fc = Whenever a timed filtration cycle is in operation, the Fc message and the current water temperature are alternately displayed on the LED.

Was this article helpful? yes / no

Article details