Sinumerik Alarm 4285 Error on terminal block %1, error code %2

Sinumerik Alarm 4285 Error on terminal block %1, error code %2

Parameters:
%1 = Number of terminal block (1 … 4)
%2 = Error code

Definitions:
An error occurred on terminal block no. %1 (sign-of-life failure, I/O module removed in current operation, etc.). All possible errors which can lead to this alarm are not yet known (and will be completed later). Further information together with a description of the error code and its meaning will be provided at a later date.
Error code 1: Sign-of-life failure from terminal block
Error code 10: Sign-of-life failure NC

Reactions:
– Alarm display.
– Interface signals are set.
– NC not ready.
– Channel not ready.
– NC Start disable in this channel.
– NC Stop on alarm.

Remedy:
Please inform the authorized personnel/service department. Check hardware.

Program Continuation:
Switch control OFF – ON.