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Billy
Billy, Technician
Category: Pool and Spa
Satisfied Customers: 22107
Experience:  Licensed in Hydronics and Boilers
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I have a Master Spa LSX 557 starting it up LED indicator

Customer Question

I have a Master Spa LSX 557 starting it up for fall LED indicator shows (dry), it is not, changed filters. All pumps run, heater works, but will shut down after a short period of time and show dry again.
Rick
Submitted: 1 year ago.
Category: Pool and Spa
Expert:  Billy replied 1 year ago.

Hello,

start and stop jets in 20 second intervals...do this about a dozen times...

If it still shows dry you have a bad sensor. Let me know result.

Customer: replied 1 year ago.
I tried it still shows dry where can I find the sensor, is a diagram available
Expert:  Billy replied 1 year ago.

are you familiar with your 15" heater?

It has 2 sensors on it. If these sensors read no water it will not let the heater run

Example Here

Expert:  Billy replied 1 year ago.

.

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