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Panasonic dvd recorder dmr-ez25 fault U81. Unit will play DVD but unable to record or set-up

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Posted on Jan 02, 2017

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SOURCE: i need a manual for

You can find the English version of the Operating Instructions for the DMREZ25EB here:
Click to Download

Posted on Jan 20, 2009

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SOURCE: Panasonic DMR-EZ25 DVD Recorder with built in freeview

Posted on Mar 24, 2009

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SOURCE: Panasonic dmr ez25 no read error

Try removing the cover and clean the glass laser eye with rubbing alcohol and a cotton swab. Clean the glass laser eye.
If cleaning doesn't work, then the circuit will need to be replaced.

Posted on Nov 08, 2009

  • 4472 Answers

SOURCE: I have a panasonic DVD recorder model numberDMR

How old is the unit? Have you tried unplugging it for a half hour and restarting the machine? This can be caused by many things this U81 error literally means 'Microprocessor Communication Error on the Universal asynchronous receiver/transmitter'
I would make sure the unit is in a well ventilated area. I would also contact panasonic if the problem persists and see what they can do as far as repairing/replacing the unit at little or no cost to you. I can get you their contact info if you give me your general location.
Thank you,

Posted on Aug 31, 2010

  • 10515 Answers

SOURCE: Panasonic DMR-EX75 EB-S 160Gb DVD


To my knowledge and on most Panasonic UK/Euro models/versions, error code "U81" indicates glitch in the firmware, specifically, on its initial diagnostic mode, the system could not detect "Freeview" signals. The concern might have been caused by the absence of an incoming TV signal. Should this hold true, I then suspect that there is nothing wrong with the Panasonic unit but rather the Freeview service in your location or configuration/settings of the provider signals or the tuner.

Let me know,if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Posted on Dec 16, 2010

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1 Answer

What does U81 mean

It could mean there is a fault on one of the circuit boards. See

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It appears the hard disk is either faulty or it needs reformatting.
I suggest to get a TV serviceman to fix this problem.

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U81 is permanently on the screen, I cant get the TV listing menu, nor can I get it to record, can you help?

U81 error literally means 'Microprocessor Communication Error on the Universal asynchronous receiver/transmitter'.

This error can be caused by a number of different reasons but one of the most common is a software / firmware problem relating to the Freeview part of the unit.

If you turn the unit off for 30 minutes it should reset the fault.

At this point to need to check what version of firmware you have installed and then check the Panasonic website for your country for the latest version.

Jul 02, 2011 | Panasonic DMR-EX75EB-S DVD Recorder/HDD...

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My dmr-e50 ca not play any disc it display dvd drive eror

What is the error code being displayed? is it U81 U61 or U99? U61 is likely to be a DVD drive error. U99 is an electrical problem, while U81 is a microprocessor feedback information error. Your best option is to submit this recorder to a qualified service technician in an authorised Panasonic workshop, for a quote, and a second opinion on the likely repair costs and/or parts involved. (it helps to be more specific when posting questions here about DVD drive faults so we can advise people properly on the best course of action to solve the problem (however a few consumers do not know what device error codes are and what they mean; this is understandable in many cases).

The cost to fix this unit depends where you go and whom you deal with. It is up to you, but be warned; if the unit needs a new DVD drive, this could prove expensive.

Apr 07, 2011 | Panasonic DMR-E50 DVD Recorder

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This seems to be a common fault with many Panasonic DVD recorders of the DMR-EX series.

This is one of several error codes generated by the main microprocessor IC in the unit which are tripped by corruption, preventing proper operation and which may require the processor to be reset (where practical) or replaced.

U81 means (in technical terms) 'microprocessor communication malfunction' on the universal asynchronous receiver/transmitter' or 'microprocessor feedback information error'.

This is not something the user should undertake to repair themselves; it should really go to an authorised Panasonic repair centre. The cost depends on the parts used (if available) and the labour, however, it is not unfixable. You can always get a quote on this and a second opinion, then decide for yourself if it is economical or not.

I posted this 'advice' for this (and a couple of similar models) previously. The DMR-EX series of models are prone to U81 - which is a common (and extremely irritating) error code. As I said, it is not unfixable, if you are prepared to spend a fair amount of money on the repairs by a qualified service technician in a fully equipped workshop with access to all the required components and service manuals.

Because of the malfunction, the user settings and options are inaccessible, and there is no official user-reset option on this or any model of the series to clear this particular error.

Certainly worth investigating at least, as Panasonic usually make great products.
It's up to you as to what you decide to do from here.

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1 Answer

Displays U81 fault code. Will not display programme schedule or record. Willv still play DVD's and HD recordings.

Check that C1801 is not leaky. If so, check if IC1801 has blown. If it has blown, it will also need to be replaced.

Usually it's only C1801 leaky, replace it and thats it.

You can find the capacitor on the main board, under the digital board that has ribbon cables going to the dvd drive.

Hope this helps.

Jan 19, 2011 | Panasonic DMR-E85H DVD Recorder

1 Answer

Panasonic dmr ez25 no read error when insert blank DVD or pre-recorded DVD. have tried cleaning lens and spindle

Try removing the cover and clean the glass laser eye with rubbing alcohol and a cotton swab. Clean the glass laser eye.
If cleaning doesn't work, then the circuit will need to be replaced.

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DMR-EX85 U81 error

VXY1814 DVD RAM DRIVE 437.53

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