Error means
• Optional service
card malfunction
• Back board
malfunction
• IPCMPR card
malfunction


What to check

See if the corresponding
optional service card is
installed properly
• Pull out and re-insert the
corresponding optional
service card
• Press the Reset Button
• Replace the corresponding
optional service card
• Replace the back board (be
sure to turn off the PBX when
replacing)
• Replace the IPCMPR card
(be sure to turn off the PBX
when replacing)

Since you dont have an option card, it could be the ipcmpr card or back board.

Check for sign of our furry friends in the system, one of my collages found one in the cover of a Kxtda30 last week

“I have not failed. I've just found 10,000 ways that won't work.”