Appendix
A.4 Technology alarms
Technology alarm 323
Alarm reaction: No reaction
Restart: Not required
Alarm text
MC_Home was not executed because this would result in the
numerical value range being exceeded.
Technology alarm 341
Alarm reaction: Remove enable
Restart: Not required
Alarm text
Error in homing data.
The approach velocity is zero. Homing.ApproachVelocity.
The homing velocity is zero. Homing.ReferencingVelocity.
Technology alarm 342
Alarm reaction: Stop with emergency stop ramp
Restart: Not required
Alarm text
Reference cam / encoder zero mark was not found.
378
Solution
Enable the "Modulo" setting for the technology object.
Enter a valid position value for the use of MC_Home
instruction.
Solution
Check the configuration for homing (Homing.Approach
Velocity)
Check the configuration for homing
(Homing.ReferencingVelocity)
Solution
Connect a suitable device.
Check the device (I/Os).
Compare the configuration in HW Config and the tech-
nology object.
S7-1500 Motion Control V13 Update 3
Function Manual, 07/2014, A5E03879256-AC