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Ask Billy Your Own Question
Billy
Billy, Technician
Category: Pool and Spa
Satisfied Customers: 22541
Experience:  Licensed in Hydronics and Boilers
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I have a red light on on the circuit board and 3 flashing

Customer Question

I have a red light on on the circuit board and 3 flashing black dots on the top side?
JA: I'll do all I can to help. How long have you been dealing with this?
Customer: a few days. The pressure switch was leaking which emptied the tum and the breaker blew. I replaced the pressure switch and powered back on I have power to top side with 3 flashing dots am\nd a red light illuminated on the board
JA: Do you plan on doing the work yourself?
Customer: yes as I have always done the past 15 years on it
JA: Anything else we should know to help you best?
Customer: spa pack was replaced 5 years ago as well as the #1 pump 4 years ago
JA: Who manufactured the spa?
Customer: Gecko spa pack Gulf Coast Boca Raton Hot tub
Submitted: 10 months ago.
Category: Pool and Spa
Expert:  Billy replied 10 months ago.

Hello,

My name is ***** ***** I will do my best to assist you. I am looking over your question now and will respond shortly.

Expert:  Billy replied 10 months ago.

This means one of the sensors picked up a high temp fault...likely when insufficient water went through heater and boiled...

If turning power off and back on does not clear it you will need to replace temp sensor.

When doing this I would replace all sensors if you have more than one one.

Customer: replied 10 months ago.
where are the temperature sensors located
Expert:  Billy replied 10 months ago.

I do not know which spa you have, but generally they are in wells in the pipe entering or leaving the heater assembly.

Customer: replied 10 months ago.
I have a Gulf Coast spa with a Gecko spa pack
Expert:  Billy replied 10 months ago.

do you know which model Gulf Coast?

Expert:  Billy replied 10 months ago.

see choices here

Customer: replied 10 months ago.
Boca Grande
Customer: replied 10 months ago.
I unplugged the temp probe that plugs into the bottom right hand corner of the spa pack and pumps started to flow. If I plug back in it shuts off
Customer: replied 10 months ago.
you still there?
Customer: replied 10 months ago.
hello?
Customer: replied 10 months ago.
Can i get an answer