Panasonic DMR-EX85EB-S DVD Recorder/HDD Recorder "player u81" Questions

what does U81 mean It could mean there is a fault on one of the circuit boards. See http://www.avforums.com/threads/panasonic-dmr-ex75-85-u81-error-repaired-solved.1486954/

...U81 comes on everytme I turn on the player. It also want play DVD's or allow me to change modes? U81 is an error message indicating a microprocessor communications error/problem. This can be from a ...

My DMR EX75EB it fails to operate and a code of U81 comes up. This is one of several error codes generated by the main microprocessor IC which are tripped by corruption, preventing proper operation ...

Ez25eb-s error code U81 HelloThe display may not be U81.  It may be C31.  There are only three Self Diagnosis Dispay will be there,  They are [C13, C31 & E XX].  If it is C31, ...

...u81 fault meassage on the player display. When this happened the remote and all the buttons on the unit were unresponsive, after rebooting a couple of times i was finally able to use the remote and ...

DVD recorder DMR-EX78EB - Keeps showinf error message 'U81' on display. This means that it does not perform set recordings. What causes this please and how can we fix it as I am fed up with finding ...

u81 error up Do I have to take it to a electrical repairer or is there anything i can do ? I posted a suggestion a couple of months ago about a similar Panasonic DVD recorder (model DMR-EX78EB) with ...

DMR-EX85 U81 error fix..help.. NEED DVD UNIT ASSY REPLACED VXY1814DVD RAM DRIVE437.53

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 ...

my panasonic dmrex75 has an error U81 on it. Does anyone know what this means? This is one of several error codes generated by the main microprocessor IC which are tripped by corruption, preventing ...