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[FurryNutz]

Was the DAP vertical or horizontal position?

Can you take a pic of the chip that you think is the issue? Even with the heat sink on it.

I'm wondering if maybe the heat sink and also air flow isn't enough and maybe some forced induction air is needed. The case is based off the DIR-655/DGL-4500 and there isn't many air vents top and bottom to handle the heat dissipation IMO. So even though you put a different sink on it, air flow is important.

Pestering D-Link with this issue and seeing that the new DIR-880L, they said that the new router shouldn't have the heat issues as seen with the 857/827 routers since it's using the same case, how the case is bigger and the bottom is perforated more and they used all metal sinks in it.

As for a follow on to the 1533, i don't know. I presume IMO that there won't be since new DAPs are out in the wild. However thats me. I wish they would or could do something for the 1533, it's not a bad AP besides this heat issue.

If I hear something back from D-Link I'll let you know. I trust that you've done all testing and that the DAP is just toast. I would recommend that you phone contact them anyways, you might get another or ask for the DAP-1650 or something comparable. If you get another 1533, do the mod and this time, out a laptop fan cooler under it in horizontal position.

[AMPatrick]

Hi Furry, To answer your questions:

1.  The DAP-1533 was in the horizontal position when it failed.  I keep the plane of the DAP-1533 aligned with the plane of my D-Link DIR-857 media router for maximum signal strength.

2. You can find the picture of the heatsink upgrades here: http://imageshack.us/a/img13/1039/r1eq.jpg

and it looks like this:



3. I suspect the failing chip is the topmost one (under the heatsink) nearest the ethernet LAN ports (nearest the "1122" transformer part).

4. My DAP-1533 is out of warranty (I put the heatsinks on it after the one year warranty on my very original DAP-1533 expired).  This was the third (or fourth) replacement unit I got from D-Link (all of them bricked themselves in the same way).  As I understand, the warranty is effective from the purchase date of the very first unit...  On the positive side, because I purchased the DAP-1533 using my credit card, the credit card company extends the warranty an additional year and I look forward to getting the original purchase price back from the credit card company.  So the bottom line is that the year and a half of service that I got from my four DAP-1533s will not cost me anything other than the frustration that I had.  Also I am fairly sure that D-Link will have made no profit with me (as they did send me three replacement units) - serves them right!

[FurryNutz]

Ok, heres what I got. I forgot that your from Canada. Apparently there maybe differences between the Canadian and U.S. versions of these units as the lab here in the USA can't reproduce this issue. You and one other have reported this issue and you both are from Canada. There hasn't been any reports or contacts here in the USA reporting of this issue. D-Link USA has forwarded this on to D-Link Canada. Even though we are in the same region, the USA office can't do anything since this issue is in Canada since I they are there own entity with in the D-Link realm. Seems to be that this issue is with the Canadian HW for some reason. D-Link USA can't do anything more.

It would be interesting to see if a USA unit would fail on your system.
Was this DAP loaded with FW from the Canada site or the USA site? I wonder if there could any any differences in FW. 

Well, I think it best that you recover the warranty via your CC if thats possible and move on. Not sure what the differences are between the HW on these units what what the failure leads up, however I presume it's heat related. As far as these units are concerned, they hit EOL in Canada and support will end towards the end of this year. Sorry that you had to go through all this. Not all D-Link products are like this. I have enjoyed all of there products and feel they are a good company. I hope you'll find something new to replace the 1533 that works just as good and better.

I recommend that users in Canada having these units and exhibit this problem should get ahold of D-Link Canada and get into a new one or ask D-Link Canada if a different DAP model can be exchanged for the DAP-1533.