sparky7 Posted May 25, 2014 Share Posted May 25, 2014 Hi All, Last Thursday, my HC300 went offline. The first thing I noticed was that the GE security monitor started beeping, as it has an interface to the HC300. Then I noticed none of the keypads would work. I rebooted the HC300, and initially, no response (I may have just been impatient). I was able to connect to it using ComposerHE, then everything seemed to work. Two days later, it happens again. This time I try to connect before rebooting. ComposerHE can't find it, and I can't ping it. I then reboot, and I can ping it again. It takes a good five minutes before ComposerHE can find it to connect (maybe this is normal...). I can ssh into the HC300 and look at the logs, but don't see anything obvious. I don't know exactly what to look for -- could use pointers. I'm wondering if the HC300 is about to go belly up. It's almost 5 years old, and I've never seen it do this before. Update -- as I'm typing this, the HC300 went dead again (about an hour after the second occurance). Is this likely a memory issue? Thanks in advance. Link to comment Share on other sites More sharing options...
neil12011 Posted May 25, 2014 Share Posted May 25, 2014 The internal power supply in these are notorious for going bad. It's a pretty easy fix, and the replacement part is pretty cheap. Link to comment Share on other sites More sharing options...
sparky7 Posted May 25, 2014 Author Share Posted May 25, 2014 Thanks for the tip. I did see a link for a power supply in another post. Is there a trick to getting these things open? I tried removing the screws on the back, but it didn't seem to be enough. Are there some hidden screws under the feet or front panel? Thanks. Link to comment Share on other sites More sharing options...
sparky7 Posted May 25, 2014 Author Share Posted May 25, 2014 Sorry -- I posted a little too quickly. I quick search gave me the answer I was looking for (screws under the feet). Thanks. Link to comment Share on other sites More sharing options...
neil12011 Posted May 25, 2014 Share Posted May 25, 2014 Most people get the part from Mouser, it's $20 or $30 bucks. Post back and let us know how it turns out. Link to comment Share on other sites More sharing options...
sparky7 Posted May 29, 2014 Author Share Posted May 29, 2014 I opened up my HC300 -- looking at the power supply, I see that there was resistance at one of the connections (see the burn spots in the photos). The new p.s. is on order. Link to comment Share on other sites More sharing options...
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