KUKA Error Message 1440 Mailbox identification not allowed

KUKA Robot Error Code 1440 Mailbox identification not allowed
Cause – An incorrect MBX_ID is specified in the C function “MBX_REC”.
Monitor – In interpretation of “MBX_REC”.
Effect – Ramp-down braking.
– All active commands inhibited.
Remedy – Alter the program accordingly.
– Acknowledge message.


KUKA Error Message 1440 Mailbox identification not allowed