Question about Jandy EPump Variable Speed 20 HP Pump

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Just installed new Jandy ePump 2.0 to replace 13 year old pump. Hooked it up to Aqualink RS Rev QQ the same as old pump plus RS485 cable. I can hear the actuator in the RS trying to turn it on but the pump is dead. One Touch display says Jandy ePump 1 offline. Pump dip switch is set to all off. Set up variable speed pump in One Touch to tell it that it was a Jandy ePump. Any ideas?

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  • Jandy Master
  • 1,448 Answers

Have to assign to pump 1

Posted on Sep 25, 2014

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

adamh294
  • 310 Answers

SOURCE: On Jandy Aqualink RS display it says 6700 Rev C

This sounds like a boot stall (program freezes on start-up)
First things first, turn off all power to the unit and everything it is interfacing with.
If this is not a boot stall, then it is possible somebody has entered a programming mode and it is frozen there. Try reboot here as well.

If this does not help, more info is needed, such as. What was the most recent activity having to do with this equipment. was there water splashed on this device? were there any recent modifications to the device.

If you need more information, you may contact me @: adamh@newconceptchem.com

if this post helped you, please take the time to vote positively for me on this site.
thanks,
adam

Posted on Oct 28, 2010

adamh294
  • 310 Answers

SOURCE: Have a 3.5 year old Jandy Aqualink RS 4 --- the

It is most likely not a bad reading on the on the display.

One culprit of a false temp reading could be:
If the temperature sensor is installed after the heater and the circulation pump is clogged or failing, this would allow super heated water to reach the temperature sensor and give you that reading. However, most pool/spa heaters have a high limit switch that would shut down the heater @ 150 degrees F. So this is also unlikely.

The most reasonable answer is to replace the temperature sensor.

If you refer to page 22 in this manual http://www.jandy-downloads.com/pdfs/Allbutton_manual.pdf
you will see that the temperature sensor is installed on terminals 5 and 6.
Trace these wires. They will goto a thermowell (which holds the temperature sensor) either in the pool plumbing, or to a temperature sensor in the heater itself. Temperature sensors when in the heater are located typically above the inlet/outlet header. There will be some disassembling required to access it in this case.
If it is in the heater and you need more help, e-mail me @ adamh@newconceptchem.com

Please take the time to give me a positive rating on this post if I have helped.

Thanks
adam

Posted on Nov 02, 2010

Testimonial: "Thanks for the prompt response. I'm at work now but I will follow your instructions when I get home. I had a feeling that it is a 'bad' sensor. "

  • 16 Answers

SOURCE: Jandy pool pump will not prime it is a Jandy plus HP model PHPM 2.0

make sure pool is full of water
check skimmer weir doors and make sure not stuck in up position
fill pump basket with water and try to prime

if that doesn't work

replace diffuser oring

http://www.jandy-downloads.com/pdfs/PHP_Manual.pdf

Posted on Jan 16, 2010

adamh294
  • 310 Answers

SOURCE: I have a Jandy Aqualink

Yes, you can just replace the board.
There are internal signals generated by the cpu board that open and close your aux relays.
With this type of failure (multiple aux's tripping at same) it is always just a board problem.
You will want to recheck all the wiring before installing new board to ensure that a short is not being created due to a bad connection.

Posted on Oct 29, 2010

Testimonial: "Thank you for your quick response. I really appreciate it!"

  • 84 Answers

SOURCE: On Jandy Aqualink RS display it says 6700 Rev C

6700 REV C is usually the control boards and in rare cases the wiring between the two. Here is a post to troubleshoot http://goo.gl/4Hp7k. It also points to www.fixyourboard.com. Bottom line, don't buy new, get them fixed.

Posted on Mar 01, 2013

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Installation
The scripts communicate with the Jandy system through a USB Serial Adaptor (e.g. the Keyspan USA-19HS USB Serial Adapter) connected to the Jandy Aqualink RS Serial Adaptor.

In order to use these scripts with SerialX, you will need to separately download and install SerialX as a Scripting Addition. As currently written, you will also need to determine the exact name of your serial connection and edit the following statement in both scripts:

property SerialConnectionName : "/dev/cu.USA19H47P1.1" -- Replace "dev/cu.USA19H47P1.1" with the name of your USB Serial Adaptor.

After editing, drag the Jandy Aqualink attachment script into the folder: /Library/Application Support/Perceptive Automation/Indigo 4/Scripts/Attachments
and the Jandy Aqualink background sync script into the folder: /Library/Application Support/Perceptive Automation/Indigo 4/Scripts/Background Tasks
Initiating use of the background script is typically accomplished by establishing a Trigger Action that activates on Indigo Server restart.

Usage
Assumes a Jandy Aqualink RS-4 or RS-8 Pool/Spa combination with auxiliary 1 set for pool light and auxiliary 2 set for spa light.

Unlike the previous version, the background script will now automatically execute periodically after being initiated (typically with a Trigger Action that activates on Indigo startup), will create variables as needed, and will update the status of those variables. By default the updates occur every 30 sec for most items using a single "#LEDS?" command, and every 30 min for the temperatures, with error detection if something does not update correctly. If the Spa is heating, temperature updates default to every 2 min. Variables created include AirTemp, ErrorFree, NextTempUpdate, PoolHeatEna, PoolHeatOn, PoolLightOn, PoolPumpOn, PoolSetPoint, PoolStateOn, PoolTemp, SpaHeatEna, SpaHeatOn, SpaLightOn, SpaSetPoint, SpaStateOn, SpaTemp.

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