TVT TD-N064E Beep error codes

[murnauer]

Hi. We have a setup consisting a TVT TD-N064E NVR with 20-odd cameras in our residential apartment block that has sadly given up the ghost after less than 3 years since it was installed by a now defunct subCONtractor of our builder. Does anyone know how to troubleshoot these things based on the beep error codes. We're seeing the splash screen when cycling the main power, but the thing won't boot through to the usual login screen. After a while, perhaps a minute or so in, the box is making 5 longish beeps then nothing. Around the same time, the screen goes dark as the monitor goes to sleep mode. On one occasion I've observed 4 longer followed by one shorter beep.

Also, does anyone here own a copy of the firmware that could be installed via USB in case that helps?

Thanks in advance for any assistance you can provide.

 

[bigredfish]

No idea but I’d check HDs first. I’ve had a few HDs go over the years and Dahua NVRs by default will beep continuously when one fails

 

[murnauer]

Thanks for the suggestion bigredfish. I've pulled out the disk (the stingy clowns who installed the system only loaded a single one of the 16 drive bays) and it is still doing the same thing. Splash screen comes on for about a minute then 5 beeps and eventually the monitor goes to sleep.

 

[TonyR]

I've pulled out the disk and it is still doing the same thing.

Then maybe the beeps for a bad drive are the same for a missing drive?
Do you have a spare working drive to throw in there?

 

[bigredfish]

^^^^^
This for me at least

Of course there’s a way to turn off the alert, ……after you login to the NVR

 

[murnauer]

Thanks, I'll try to dig a drive out of one of my PCs that I can afford to format. I suspect the HDD might be dead, just didn't think that one step further that a dead disk and no disk might be all the same to this thing. Good point!
Another thing I suppose I could do is to confirm the disk is busted by hooking it up elsewhere via a SATA-USB bridge.

 

[murnauer]

Sadly no luck with a different HDD. I also tried replacing the CMOS battery, but the box remains dead. The 6TB WD Purple HDD looks alright when connected to a PC. It's a Windows system and to Windows' Disk Manager the disk appears uninitialised and it wants to create an MBR or GPT, but physically the disk seems OK. The beeping code and the flashing of the Alarm LED on the NVR are probably my last hope of finding out what exactly is wrong, but contacting TvT through their abysmal website hasn't yielded any response.