Aquarite SWG no lights/display

GPCMommy

Member
Sep 20, 2010
8
Out of the blue my SWG had no lights/display/nothing. Power is coming into the unit from the main line. It's a 20 yr old system that I replaced a mainboard on about 6 yrs ago and the cell again just this spring. Nothing looked burnt on the board but I ordered a new one and replaced it. No change. Then I thought maybe the display had gone bad and ordered a new one of those. No change. Looking through the Hayward troubleshooting for no lcd/led after checking voltage, fuses and replacing those 2 pieces they assume that the problem is solved. What else could it be?
 

JamesW

TFP Expert
Mar 2, 2011
28,262
Two terminals don't have the wires connected.

The yellow wire from the transformer is burnt.

You should cut off the burnt part and redo it.

The rectifiers might be bad.

You can replace the rectifiers.



Mouser #: 583-MP356
Mfr. #: MP356
Mfr.: Rectron
Description: Bridge Rectifiers 35A 600V

Check the yellow 20 amp fuse.

Check for 24 volts AC on the two yellow wires from the transformer.

Check for about 24 to 30 volts DC coming from the rectifiers on the red and black wires.


1629067180316.png


1629067368684.png
 

JamesW

TFP Expert
Mar 2, 2011
28,262
In the other thread, you can see the same yellow wires being burned.

One connects to the rectifiers and one connects to the board.

In that thread, the rectifiers were bad.

1629071888339.png
1629071924645.png
 

GPCMommy

Member
Sep 20, 2010
8
For some reason my reply didn't go through.....
Those 2 terminals have always been empty (since we've lived here 7 yrs and I'm assuming the 20 yrs before that). Not sure why, but the yellow and orange out of the transformer go to the rectifier and then to a 'plug' at the bottom of the housing box, but not the board.
Thanks for noticing the burnt yellow wire. I don't think there will be enough to cut and redo the end. Do I need a new transformer, or how do I go about fixing that?

I appreciate any and all info! I am just handy enough to be dangerous ;)
 

JamesW

TFP Expert
Mar 2, 2011
28,262
Not sure why, but the yellow and orange out of the transformer go to the rectifier and then to a 'plug' at the bottom of the housing box, but not the board.
Ok, the plug is just a fuse.

Most likely, the fuse is bad.

The older models had the fuse on the bottom and the newer models use the yellow 20 amp fuse on the board.

Just connect the yellow and orange to the terminals on the board instead of the bottom plug.
Thanks for noticing the burnt yellow wire. I don't think there will be enough to cut and redo the end. Do I need a new transformer, or how do I go about fixing that?
Just cut off the bad section of the yellow wires and use a new piece of wire connected by a wire nut.

You can get crimp on spade connectors at the hardware store.

Get some #14 AWG wire, some wire nuts and some 1/4" female spade connectors.

16-14 AWG Vinyl Insulated Female Disconnect 0.250 in. x 0.032 in. Tab Size in Blue

1629296657557.png



 
Last edited:

mknauss

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May 3, 2014
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That did the trick! Thank you so much for your help and clear directions - you guys are the best!!
Great job!
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