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D440 Companion Link failure - Printable Version

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+--- Thread: D440 Companion Link failure (/Thread-D440-Companion-Link-failure)

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D440 Companion Link failure - agentsmith - 12-Dec-2016

I just received my upgraded D440 Pro few days ago and tried last night.  I installed it and it was working as of last night.

But today when I turn it on, the companion would not link

I tried unplugging and reloading the config file with same result

The companion boots up, loads "S1 config", but would not do the ADH and SAM load

It gives me the status page with:  "Companion Mode:ON, INPUT:RS232;  "Link Status:NONE"

I tried everything, including:
- Changing the SPDIF cable between the Master and the Companion
- disabling the link cable
- Boot up both machines with no SD card and try again
- Unplugging and replugging in both units repeatedly
- Reformat and use a different SD card

I know the physical connection is correct, because it was working fine yesterday.

Please is there anything else I should try before declaring it dead?

RE: D440 Companion Link failure - Soniclife - 12-Dec-2016

(12-Dec-2016, 17:31)agentsmith Wrote: I just received my upgraded D440 Pro few days ago and tried last night.  I installed it and it was working as of last night.

But today when I turn it on, the companion would not link

I tried unplugging and reloading the config file with same result

The companion boots up, loads "S1 config", but would not do the ADH and SAM load

It gives me the status page with:  "Companion Mode:ON, INPUT:RS232;  "Link Status:NONE"

I tried everything, including:
- Changing the SPDIF cable between the Master and the Companion
- disabling the link cable
- Boot up both machines with no SD card and try again
- Unplugging and replugging in both units repeatedly
- Reformat and use a different SD card

I know the physical connection is correct, because it was working fine yesterday.

Please is there anything else I should try before declaring it dead?
The times this has happened to me during setup it has been one of the two cables not seated correctly, or firmware versions being different. Now I don't see how the firmware could change by itself, but a cable that wasn't 100% correct could come undone.

RE: D440 Companion Link failure - zdenes - 12-Dec-2016

It happened to me once when I just removed the SD card after copying the config file on it, rather than properly eject it. Took me quite a while to realize this.

D440 Companion Link failure - agentsmith - 13-Dec-2016

Thanks I tried restating the cable and even a different link cable with same results

I also tried regenerating as card and even a different SD card


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RE: D440 Companion Link failure - baddog - 13-Dec-2016

Do you have a different digital cable you can try to connect the two units?

Also do you have a trigger cable connected as well? If yes you might wish to try disabling this in the configuration and remove it from your setup temporarily to see if things work.

p.s. If you have tried these two steps, my apologies, I see you also changed SPDIF cables recently.

RE: D440 Companion Link failure - agentsmith - 13-Dec-2016

(13-Dec-2016, 01:43)baddog Wrote: Do you have a different digital cable you can try to connect the two units?

Also do you have a trigger cable connected as well? If yes you might wish to try disabling this in the configuration and remove it from your setup temporarily to see if things work.

p.s. If you have tried these two steps, my apologies, I see you also changed SPDIF cables recently.

Thanks baddog, last thing you need to do is to apologize for trying to help!

I did try to replace the RS232 link cable as well as the SPDIF cable

I also tried no link cable but neglected to change the configuration files in my SD card.  Would that have made a difference?

In any case I have brought the companion to work this morning and will bring it to my dealer for debugging this afternoon.

thanks again.

RE: D440 Companion Link failure - baddog - 13-Dec-2016

Ah, your dealer is close enough you can debug with another Devialet. Let us know how you fair. Hopefully it is not a hardware failure.

RE: D440 Companion Link failure - agentsmith - 13-Dec-2016

(13-Dec-2016, 02:46)baddog Wrote: Ah, your dealer is close enough you can debug with another Devialet. Let us know how you fair. Hopefully it is not a hardware failure.

Thanks.  I am lucky to be in Hong Kong with a very active and friendly supplier.  Also AP HQ for Devialet is in the same city.

RE: D440 Companion Link failure - agentsmith - 13-Dec-2016

Dealer hooked up my companion to their master and it worked right away.  They tried different cables and all worked out OK.
Not sure what the problem is.  The only thing to do is to bring it home and try again.

RE: D440 Companion Link failure - ovo - 13-Dec-2016

I don't know if you are a mac user? I found that config files downloaded using Safari would only intermittently save the changes I had made. Using a different browser - Firefox - solved a similar problem to yours.
Sid