GFCI won't reset

JamesW et All. I disconnected both side of loads and still could not reset the GFI. Here is a diagram. Sorry I am not good at drawing :). The black dots mark the connection point, The switches at the top are my pool panel switches. It seems to be wired correctly and my GFI light is green. So I took both the pool light and the receptacle connected to the GFCI out of the loop and it still won't reset. This new GFCI seems to be working correctly as both the pool light and receptacle are both dead vs before where these were still operating but the GFCI wouldn't reset.
 
The breaker switches are inside the pool panel case. The third one appears to be a breaker for the GFI. The GFI is on the side of the pool panel case. The light and the receptacle are managed by the GFCI. The pool light switch is an X-10 switch. The connections are like this:
From GFCI:
Line 1 Purple - Connects to the blue wire on X-10 pool light switch and black wire on receptacle
Line 2 White - Connects to the white wire on the pool light conduit and the white wire in the receptacle
Load 1 Purple - Connect to the third switch on the control panel box
Load 2 White - Connects to a bus

All the rest of green wires are connected to ground and one to GFCI

From the X-10

The X-10 has two wires included above. One blue and one black
The black wire on the X-10 connects to the black wire on the pool light conduit
The blue wire on the X-10 connects to the black wire on the conduit receptacle and the line purple on GFCI
 
Can you show a picture?

The outlet should have a line side and a load side. Each side has a hot and neutral.

From the breaker, a power wire goes to line hot. Neutral from supply goes to line neutral.

From load hot, go into the first switch. Then through any other switches in series. Your x10 switch should be on the load side before or after the relay. If you're only using the X10 switch for the light, you don't have to go through the relay.

Load neutral from gfci goes to light.
 
Here is the picture. The breaker wires are in the first conduit in the back left and they are connecting to those square terminals below the breaker switches at the top and then power the rest of the stuff here.
FullSizeRender(1).jpg
 
I just followed what was already there but it seems to me that the white wire load (neutral) is not in the right place. Seems to me the white wires are transposed. Do you agree? The line white wire coming from GFCI is not feeding anything as it is connected to the pool light and the receptacle.
 

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If you look close on the left side of the box, on the very back, the first conduit has the breaker wires. You could see the white one is connected to the main terminals on the black assembly. The black assembly has a bus. The load white wire is connected to that. The line white wire is connected to the white cable on the white light wire coming from the pool and the white receptacle wire.
So what you are describing doesn't seem to match what I have. I switched the white load and line, and this time the gfci green light won't even power on so it's not right. Doesn't make sense. Maybe time to call an electrician :(
 
Had an electrician over. The pool light had some corrosion and humidity in the light fixture was tripping the GFCI. Also the way it was wire was not the best way. It was "working" prior to all this but not wired correctly which added to the problem.
 
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