I finally got AquaRite 40K with T-15 Cell installed and I have a concern / question.

After making sure I followed all instructions and recommendation,
when I connect the power to the unit.

for 30 seconds or so, the no-flow indicator flashes, and then it disappears, I'm assuming that this is normal until it kicks into detecting that there is flow (I'm merely mentioning this in case it has any bearing on the main issue which I'll describe next)

I set it to Auto, and the Generating led comes on and everything seems to be normal
I do the diagnostic test and see all the numbers in the normal range. (I have it set to generate between 25% - 30%)

However after some minutes (not exactly sure about the exact number)
if I run diagnostic again, I see that "Cell Current" is 0 instead of normal 4.50 to 7.80 amps (this was ok just some minutes ago )

Also the instant salinity shows -0 instead of 3100.
The software version I have is r1.58

Is the unit defective? or is it just not generating SALT all the time?

All the indicator LEDs seem normal, ie "power on" and "generating" properly lit.

I only have few more days to return the item in case this is defective.

If it has any relevance,
I connected the cell horizontally, with the flow switch right after the cell
The cell is connected on the return after the filter (I have no heater), with no valve or flow redirector.

Does the cell need to be perfectly leveled horizontal or vertical?

I just noticed that the flow switch wiring is on top in the illustrated pictures in the manual, I have them at the bottom, does that make a difference?
I do have the flow direction correctly installed.

Many thanks in advance.
Hope there's a user error somewhere and that I don't have to dismount and return the device.

===================================

One other thing to note is that if I switch from Auto to Super Chlorinate,
I see current and instant salinity, and it appears to operate normally,
switching back to Auto and current is back to zero, so is the instant chlorination,

Weird.

Thanks