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Thanks JamesW. I put the small circuit board in and connected the sensor to the front board. The error code went away. The system is working again. ! really appreciate your help.

I have the old style sensor ( R0403800 ), which came with a small circuit board at the end of the cable. There was no jumper on the circuit board and I was told by the seller to take off the circuit board before connecting to the Front board and I did on 8/5/16. The Sensor worked until now. But...

The "Salt Reading 25000" problem happened again after I re-calibrated the Salinity value to 3200 as mentioned in my previous post. So, this morning, I cleaned the AquaPure 1400 cell, checked the Trisensor and cleaned the DEL60 filter. After all that work, the system still shows error code of 172...

An update on my my " Salt Reading 25000 " problem: I was able to re-calibrate the Salinity value after powering the system down and up a couple of times. I put in the independently-measured Salinity value of 3200 and the Aquapure started generating chlorine again. However, since I still don't...

The sensor is at least 7 years old. I have been thinking about replacing it. But it was working until now. Would a bad sensor prevent the Front Board from going into the Salinity display during recalibration ?

Salt is independently measured every weekend. Last measurement was at 3200. No salt has been added recently.

This morning, the 1-touch display of my Jandy system showed salt reading of 25,000 and AquaPure 1400 not working. But the salt content was measured at 3200 just a few days ago. So I tried to recalibrate the Salinity by following the procedure given in the Jandy manual. However, the Front board...

JamesW, I was able to put the four (4) long screws back in this morning by rotating the back plate of the motor. The pump is working again. Thanks for the help.

The long screws are unscrewed and not broken off. I have to check to see if the back plate is rotated out of position. Thanks.

The job is not yet done, however. I mistakenly took out the four (4) long screws in the back of the motor. Now I cannot put them back in. Is there an easy way to put them back in without having to detaching the motor from the pump housing ? My motor is made by A.O.Smith, There is no part number...

Checked voltage at the motor terminals and found 0v. Then disconnected the power from pump and found that the problem is with the relay. Problem is now fixed. Thanks for the help.

Thanks for the reply. Pump was turned on when voltage was measured and there was no humming noise.

The Jandy SHPM20 filter pump for my Florida pool would not turn on this morning. I opened up the capacitor cover, detached the capacitor and found no voltage across the terminal wires. I suspect that the 10-year old motor is bad and has to be replaced. I would really appreciate any help on this...

The cells only have a 1-year warranty. Even my new one.

JamesW, Just want say thank you again for your help. Your diagnosis was correct. It was the cell. I put in a new PLC 1400 yesterday. The error message went away after that. It was an expensive fix. My cell was only 2.5 years old.

Thanks, JamesW for all the help.

Thanks JamesW. I looked at the plates very carefully. They are clean and not eroded.

Checked the 3 prongs on the cell. They are tight.

Thanks, JamesW. Couldn't measure current until this PM due to bad weather. I measured the current going through the cell by using the procedure given in the AquaPure manual: by measuring the voltage across terminals K & H on the front board. Voltage measured fluctuated wildly between 37 mV and...

Thanks. Voltages measured a few minutes ago ( 11 am EST ) are as follows: 1. With power cable connected to cell : 33v between cell terminals 1 ( outside left ) and 2 ( middle ). 32 v between terminal 2 and 3. 2. With power cable disconnected from the cell: 4.4v between 1 and 2, 3.6v between 2...

Thanks for the reply. Cell is two years old. It was cleaned with Muriatic acid a week ago. Salt is 3600. With the power cable disconnected from cell, the voltage across the terminals of the cable was measured at 16v.

My Aquapure 1400 system is displaying a General Fault message with error code of 121. A week ago, it showed error message 120. But after I cleaned the cell, the message went away. With the power cable disconnected from the cell I measured 16.2 volts DC. I suspected that I might have to replace...

Thank you very much texas_salt. I replaced the Trisensor with a new one and everything is working again. Thank you !!

I have a in-ground 20,000 gallon pool with Jandy equipment including the PLC 1400 and Aqualink. Yesterday I measured the water salinity at 3500 ppm but my 1-touch displayed 1900 ppm and a message to add salt. The Front Board display showed Salinity of 1900 ppm and the " add salt " LED was lit...