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I have a RED H letter appearing on one channel and the alarm sound. Restart both manually through replugging cables or digitally restart button cannot cure the problem. What should I do?

This is newly installed CCTV system a friend installed for me but the H.264 DVR user manual has very limited information. I know Red H means the system cannot recognise the HDD. I tried successfully restarting it the first time by click on restart on the monitor section of advanced set up; but the problem keep coming back. It won't start the second time and I had to manually unplug and replug all the cables. Now this time, nothing works. What should I do?

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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techman
  • 3130 Answers

SOURCE: No Power

I mwas gonna suggest that you need the speakers attached but you stated later that it did the same thing with the speakers attached. The unit switching off after it checks its self is NOT a normal thing. TAKE IT BACK BEFORE ITS TOO LATE!! GOOD lUCK

Posted on Jun 18, 2006

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cheebster
  • 39 Answers

SOURCE: harman kardon avr-147

Hi Javis. This is perfectly normal ! This mode change is done because the receiver auto detects the digital audio signal and sets the receiver's DSP to decode the signal correctly. You can go into the OSD menu to bypass the auto detection of it, but it's not recommended at all ! You're getting the best audio quality by doing so. Thanks ! cheebster.

Posted on Jul 10, 2007

Orbixx
  • 133 Answers

SOURCE: panasonic ct-36hl43 tv

This is usually down to a safety feature cutting out the Television from harming itself. Or quite possibly a fault that make it turn itself off - it may well be thinking it's receiving the command to turn itself off. Either way, it's impossible to find out without opening it up. A professional repair is the only way, check up on your warranty. You may want to plug it into a different power source, just on the off-chance that it may solve your problem - but don't get your hopes up.

Posted on Sep 07, 2007

  • 2 Answers

SOURCE: Power on problem

Well this helped me find the relay but I found that after i pulled it off the board that it has some corosion around the metal prongs that hold it to the board. Could not get the relay open to do what is posted above , tryed opening it several times. Not sure if you are supposed to open it but could someone let me know. I am scraping around the prongs to get the corosion off hoping it will help but might just replace it alltogether. Further info on how to open the relay to do what is posted would help, I would appreciate any help, plzzzzz! :)

Posted on Aug 28, 2008

  • 3 Answers

SOURCE: Power Button Flashing Red

Try unplugging the entire unit and letting it sit for 5 minutes. See if this helps. If not, you need to do a complete reboot, which will cause you to lose your settings, but will probably solve your problem. To do a complete reboot, you will need to hold down two of the front bottons on the front panel. I'm not sure which, so either consult your manual or see other posts here which describe the reboot process for Denons. Hope this helps.

Posted on Jan 05, 2009

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