Some ice makers state they should not be installed with an RO system. Could be the pressure thing. I'd try to bypass it and see if it makes a difference.
Could be a defective valve if it is the valve body leaking, not the connection. Ed snipped-for-privacy@snet.net
The pic points to the very top of the valve, if the water is comming out of there the valve is probably cracked or damaged somehow and should be replaced.
Many (most ) manufactures do not recommend using a RO system with an icemaker because of low pressure problems.
Not likely causing the leak where you've indicated it but that may be a problem latter.
RO systems may not consistently provide enough pressure to keep the water valve tightly closed and thus may result in the ice tray over filling or the water supply tube which goes through the cabinet to periodically freeze closed. You can usually buy a booster pump if necessary.
From where you indicate the leak in your picture, I would think so unless you took the water fill valve apart for some reason and didn't get it back together quite right. You can see the water valves used in that icemaker kit at the following link:
UKI1500AXX Water Valve
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If the valve were 'stuck' it would allow the water to flow *through it* or not at all. It should not cause it to leak outside of its housing.
BTW. I noticed that you've used a copper water supply line. While this is what most appliance technicians recommend, copper should *not* be used if connected to a RO filtering system. In that applications plastic is the best choice.
Copper is not recomended for RO -icemaker installation?
I just did some reading, it seems the copper will make the RO water taste bad or make the icemaker scale up.
Ok, I'll be replacing my new copper 1/4"OD with plastic. And I thought I was doing good by installing the copper line instead of the inexpensive plastic.
I'm not a RO specialist but from what I've read and been told, no.
Again from what I'm told, such treated water will leach minerals out of the copper tubing and put it into the water. Not only will this eventually weaken the tubing but could expose users to high levels of those minerals.
You may be able to get slightly better quality plastic water line kit at an *appliance parts supplier* than what is generally available in just hardware stores. The same applies to the copper water line which is usually recommended otherwise.
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