Screen displays CHK and then ERR when I change batteries, even with new batteries

Change the batteries for new. Some troubleshooting help, albeit for a model up.

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ADDITIONAL INFORMATION TROUBLESHOOTING - seca

https://www.seca.com > documents > manual > sec...
PDF
This document contains error corrections and additional troubleshooting ... If error reoccurs, contact seca Service ... display switch on automatically.

..

Error7" displayed on screen Error 7 means the emission LED or reception dioxide is damaged. Check the emission LED and reception dioxide.

The manufacturer has written this in their manual for your unit...

"Err" displayed -battery icon may show any state of battery capacity. One quick beep every 30 seconds. Unit is Error condition

Replace batteries. If "Err" (or blank display) continues, unit has malfunctioned. Replace immediately.

Link to manual...

http://portalgb.knowledgebase.net/utility/downloadArticle.aspx?aid=294720

Hello.

From FixYa Support: The "ERR" message reportedly means a memory error.

Please NOTE: This solution will wipe out the memory.

Press the STOP and DISP/MENU buttons at the same time for about 2 seconds, and then the display should show "FOR". It will supposedly erase the whole memory, but will at least make the device usable again.

Hope this helps.

Is it an original Fuji part, your new AC adapter?
It sound like it's not powerfull enough. The ERR error is normally related to low batteries.

Check Nikon for updates.

need instructions

I had a similar sounding problem my Olympus VN-5000. I would turn it on, it would show "CHK" for a few seconds, and then "ERR." This persisted despite fresh batteries. The "ERR" message reportedly means a memory error. I found a solution, which appears to reformat the memory. Try to press the STOP and DISP/MENU buttons at the same time for about 2 seconds, and then the display should show "FOR". It will supposedly erase the whole memory, but will at least make the device usable again! I hope this solution works for your model...

I fought with this machine for more than 9 months. And after playing with it today FINALLY got it working.

This is what I did:

Unscrew the faceplate. (Three screws. One is under the batteries).

Put the batteries back on.

Have the HOLD button on the normal position (down)

Press and hold the MENU/FOLDER button together with the STOP button

Press and hold the MENU/FOLDER button together with the DISPLAY button

You will see a GREEN light, then a RED light then a "FOR" message will appear

Press the DISPLAY button and after a few moments it will reset and ask you to enter the time.

GOOD LUCK. Let me know if it works for you.

HAVE A NICE DAY.

The ERR message can only be corrected by holding in the DISP/MENU and STOP buttons for two seconds, which results in all the material on the recorder being erased. It will say (FOR) for a few minutes while it is erasing everything, then will work again. Solution found at http://www.amazon.co.uk/Olympus-VN-2100-Digital-Recorder-microphone/dp/B000V3NTEU