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Susan PierceAug 31, 2025
What does 'ERR 1001-0000 HARDWARE ERROR' mean on my Panasonic PBX?
- KKeith PetersonAug 31, 2025
If your Panasonic PBX displays the error 'ERR 1001-0000 HARDWARE ERROR' and stops operating, it indicates a Sub CPU malfunction. You should repair or replace the IP-PT.