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Forum Discussion
Overheating of ReadyNas RN104 power adapter
Hi, I have been using ReadyNAS 104 for more than 4 years now. Of late, the power adapter gets over hot and the unit shuts down automatically. If switched on after a while, it works perfectly, but...
Assuming for a minute that it really was a thermal shut-down of the NAS, it would be hard to dignose which is the symptom and which the cause for a power supply overheating. An overstressed DC=DC converter in the NAS or a partially shorted capacitor could draw too much power or an overstressed external power brick could be delivering insufficient voltage to allow the DC-DC converter to work efficiently.
It's critical to know if it really was an overheat shut-down or perhaps a voltage out of tollerance. But even with that information, it's going to be hard to diagnose without measuring the voltage and current the brick is supplying, and possibly the internal voltages. Just swapping out the brick could be a better step, since few have the equipment for the other. I've seen compatible supplies listed on eBay (12V, 7.5A, 4-pin DIN connector).
Sandshark wrote:Assuming for a minute that it really was a thermal shut-down of the NAS, it would be hard to dignose which is the symptom and which the cause for a power supply overheating. An overstressed DC=DC converter in the NAS or a partially shorted capacitor could draw too much power or an overstressed external power brick could be delivering insufficient voltage to allow the DC-DC converter to work efficiently.
It's critical to know if it really was an overheat shut-down or perhaps a voltage out of tollerance. But even with that information, it's going to be hard to diagnose without measuring the voltage and current the brick is supplying, and possibly the internal voltages. Just swapping out the brick could be a better step, since few have the equipment for the other. I've seen compatible supplies listed on eBay (12V, 7.5A, 4-pin DIN connector).
Most of it went over my head :) But understood that external power brick could be delivering insufficient voltage. Will try compatible brick and let you guys know. Anything in particular that you recommend.
Cheers!
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