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Phil, Mechanical Engineer
Category: Pool and Spa
Satisfied Customers: 8505
Experience:  Retired contractor, 51 years experience
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Caldera Kaua 200 GALLON TUB MODEL YEAR WAS 2000 I keep

Customer Question

Caldera Kaua 200 GALLON TUB MODEL YEAR WAS 2000 I keep getting FLO on the panel. When I pop the covers and giggle ther Temp sensor will heat and flo goes away...... But it will only stay like that for an hour or so....then goes back to the error...FLO and wont heat
JA: How old is the appliance? Have you gotten error messages before?
Customer: hot tub...15 years old model year was 2000
JA: Do you plan on doing the work yourself?
Customer: if all it is is replace a thermistor or pressure switch....I think I can handle it
JA: Anything else we should know to help you best?
Customer: Am confused on the line runs to side of tup and to the circuit board while other runs from circuit board to a pipe ...aluminum
Submitted: 1 year ago.
Category: Pool and Spa
Expert:  Phil replied 1 year ago.

Hello, unplug and replug the sensor wires that you are jiggling a few times, while inspecting for any loose connections, tighten those up, and that should solve the problem.

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