IntelliCenter loosing RS485 connection to pump

TonyR68

Bronze Supporter
Apr 22, 2021
54
30350
Pool Size
24000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-40
Hi,

Looking to see if anyone has had a similar experience, if there is a recommendation to fix or a troubleshooting approach to identify the cause.

When I call for heat, the heater recognizes the request and it takes about 45 seconds to a minute before the heater engages burner. In some instances - intermittent- the burner is not engaged and the IntelliCenter looses RS485 connectivity to the IntelliPro pump. The pump continues to have power, but water is not flowing anymore. When I look at the pump display, it shows “0 RPM and schedule active”. Normally it would say “Display not active” when connected to the IntelliCenter. I also have a feature pump on its own IntelliCenter circuit and plumbing. It too will stop flowing water, remain powered on, and show 0 RPM and schedule active. normally it would show display not active as it is also controlled via the IntelliCenter.

Note, my MasterTemp heater is connected to the IntelliCenter via RS485 (6 keypad MasterTemp). I’ve had this issue for a few months. This has not always been the case. When I power cycle the IntelliCenter the problem goes away…. Until the next time.

I called Pentair. They opened a work order. A technician called to scheduled a visit. Said that there is not much IntelliCenter knowledge out there, but will come and evaluate. Not expecting much from them.

Any guidance will be much appreciated.

Best regards

Tony
 

Jimrahbe

Mod Squad
TFP Expert
LifeTime Supporter
Jul 7, 2014
28,164
Bedford, TX
Tony,

I suspect that you have a IntelliFlo pump issue with the wrong F/W. Put the system into the Service mode and then use the menu to find the F/W in the pump. It should be Rev 3.05. If it is 3.04 or less, then the pump needs to be reflashed.

We have seen several new VSF pumps with this RS-485 issue.

Thanks,

Jim R.
 

TonyR68

Bronze Supporter
Apr 22, 2021
54
30350
Pool Size
24000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-40
Hi Jim,

Thank you for the guidance. Both pumps are the IntelliPro VSF model 13004 and have firmware version 2.11-VSF. Where do I find the latest firmware version and update process?

Best regards

Tony
 

Jimrahbe

Mod Squad
TFP Expert
LifeTime Supporter
Jul 7, 2014
28,164
Bedford, TX
Tony,

Pentair comes out and reflashes the pump.

That said, the problems that we have been hearing about are with the IntelliFlo VSF pumps. I am not at all sure the problem exists with the IntelliPro VSF pumps.

It makes sense to me to let the Pentair tech come out and make sure he is aware of the 'possible' wrong rev F/W issue.

Please let us know what he finds...

Thanks,

Jim R.
 

pjt

0
Gold Supporter
Jan 7, 2012
941
The Woodlands, TX
Pool Size
21000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-60
These two threads may (or may not) help:


 

TonyR68

Bronze Supporter
Apr 22, 2021
54
30350
Pool Size
24000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-40
Hi Pjt,

Thanks for the guidance. I looked through the threads, but they don’t seem to be related.

Best regards

Tony
 
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