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poolguy810, owner - pool and spa service company
Category: Pool and Spa
Satisfied Customers: 1675
Experience:  Servicing pools and all brands of spas for over 28 years.
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Hawkeye hot tub 110 volts, 3 lights are on and blinking, I

Customer Question

hawkeye hot tub 110 volts, 3 lights are on and blinking, I replaced the pressure switch and filter, goes to desired temp after I shut it off only one time then goes down into the 90 degree range
Submitted: 1 year ago.
Category: Pool and Spa
Expert:  Fix my Pool and Spa replied 1 year ago.

It sounds like a watchdog code which means the sensors are not in sync with each other and you need to replace the thermostat and or the high limit sensor. I would start with the temp sensor. Look on the circuit board and find where the sensors plug into board then follow wires back to sensor and remove and replace. Always make sure power is off when working inside the control box.