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On a side note, we just bought and installed a RayPak Avia 400 to replace our Pentair unit. I have to say the Raypak is leagues better as far as build quality goes.

Hey, sorry, I just sent it back to the supplier on eBay (and got a full refund so that's good!)

Hi All, update- The “new” generic board was indeed bad. Plugged in the new Pentair circuit board and everything works perfect now. So lesson here is don’t buy generic circuit boards off eBay! Thanks for everyone’s help.

I'm ordering new "authentic" board. Hope that's it. Allen, you mentioned, ", you will also need to update the heater to have the 6 button keypad." Do you just mean to get the associated membrane or is there any additional wiring needed? Thanks.

Also, huge thanks for everyone's input. Much appreciated.

Was sold out so link didn't work, but here's a screen shot: They claimed it worked with all MasterTemps. Obviously didn't for mine.

So my fear is if I buy a new (and correct) board, will it just cook it?

Oh wow, good eyes. yes looks like my "new" board is different. I got it off Ebay with the membrane pad.

It's currently wired now that is the same of how it was for the 4 years since our pool install. Didn't change any wiring around. Now that the new board is cooked, I'm thinking back at what was the original and first issue that I noticed. And that is the heater seemed to disconnect from the...

Also just noticed this (on the new board I just installed)

Here it is now. (Notice I wired back the yellow wires as was before (not jumping the fireman switch)

The Display doesn't show anything. The membrane also appears dead. Pool/Spa buttons do nothing. Up/down, nothing. No lights whatsoever. I don't have a pic right now, but this is what I mean by the "yellow" wires. I saw on another thread to wire like this to get it started. Nothing...

Update: So yes that fuse was also bad. (Hence the voltage). I only had 2A fuse available, tried that and now I’m getting ~0V across it, so it’s working. But still nothing kicked on. And I wired the two yellows together to jump it and didn’t kick on. I’m stumped! Any other thoughts...

Hi Jim, Thank you - let me check again in the morning and now I’m REALLY hoping that’s it. I have a 1A fuse but I know it calls for 1.25A. Will it still work with a 1A? (I ordered a 1.25A but won’t be here for a couple days)

I just had each lead on top/bottom of where the fuse connects. Is that the correct place? There are no LEDs on the membrane active. I know power is getting to the circuit board but not sure what's happening after that on the board. I tried messing with all the connections (J7) and...

Fireman’s fuse is okay.

Hi, thanks for the replies. Correction, I'm using the EasyTouch Panel (not Intelliconnect). I just tried jumping the fireman switch (removing the wires to EasyTouch), and still nothing started. I saw another thread that sounded like it has my same issue, and he said it was the "J7...

Hi, this is a super helpful thread. I think I'm in the same boat here. I've been ordering multiple parts hoping to get it to kick on and still nothing. But I'm curious, what is the "J7 Connector"?

Hi everyone, hoping for some feedback. I'll try and explain the series of events. A month ago, I happen to notice our pool water was in the high 90's deg. The temperature set in the Pentair mobile app was set for 65 deg, but it seemed the heater disconnected from the EasyTouch Panel and was...

Quick update: We had our technician stop by and he quickly noticed the external temperature gage was installed directly after the outlet pipe from the heater, instead of the proper way of installing the sensor before the heater. However, don't think this was the main issue. On further...

Hey guys, thanks for the replies. Much appreciated. Trying hard to get to the bottom of this. To answer the questions, when we first installed it, after about a month it leaked (water) and turns out the copper coil had damage to it. It was replaced under warranty. I don't notice this...

I've got the same problem with a MasterTemp 250. It runs for 2-3 minutes than triggers the Service Heater light. I've checked the LEDs on the board and nothing is triggered. So what could it be?

It starts fine, runs for 2-3 minutes then triggers the Service Heater. I took the front panel off to see the LEDs on the board and I see nothing that is on. What would tigger the Service light if no LEDs are triggered? If I turn it off and turn it back on, it will run again for the 2-3...

Hi Dave, That's interesting - I'll look into it tonight. Thanks for the suggestion.

We have a new Pentair EasyTouch controller with a Leisure Pools Pool/Spa combo. It's plumbed so it can either be in Pool mode or Spa mode. I've noticed the control unit keeps switching the valves back and forth from Pool to Spa about every 20 minutes. There are no schedules set and no egg...