Odd problem w/Aquapure Tri-Sensor

Zimbaro

New member
Jul 15, 2023
2
Kissimmee, Fl
Pool Size
7600
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Jandy Aquapure 700
Due to the unusually hot weather here in Florida, I changed my pump times to early morning for 4 hours before the sun beats down on the pool equipment and then later afternoon for 4 hours when pool equipment is in the shade. During the morning schedule, all is good with the flow. However during the afternoon schedule, the flow sensor flow light blinks and the aqua pure board shows No Flow. Any idea what may cause this? Water temp is 89 degrees.
 
Welcome to TFP.

During the morning schedule, all is good with the flow. However during the afternoon schedule, the flow sensor flow light blinks and the aqua pure board shows No Flow. Any idea what may cause this?
Heat?

Buy some cold spray and cool down the flow sensor or Aquapure board and see if you can isolate what is failing.

 
Troubleshooting.

Disconnect the flow salinity temp sensor from the front board.

Press and hold the test buttons marked salinity and R-temp.

While still pressing the test buttons press the ‘Salinity’ key (‘C’) on the front cover of the unit.

The LCD should read 2.8 gpl*.

While still holding the two front board test buttons press the ‘Pool Temperature’ key (‘D’).

It should read 75° F or 24° C.

Next, press and hold the board ‘H-Temp’ test button, and at the same time press the ‘Salinity’ key (‘C’) together with the ‘Chlorine Production Rate’ arrow down key (‘A’) on the front cover of the unit.

The LCD should read 91° F or 33° C .

If the readings are correct then the front board is O.K. and the problem is with the flow sensor.

On the other hand if the readings are different then it indicates that there is a problem with the front board.

When the testing and repair is complete reconnect the flow sensor and reset the internal computer (do this by restarting the unit).

*Note: If the the salinity reading has been recalibrated this reading maybe different.

Before condemning the board check salinity setting.
 
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