1. Combine main group, sub-group and error number byte by byte as hexadecimal 4-byte value:
Main group = byte 4
Sub-group = byte 3
Error number = byte 1 and 2
2. The resultant hexadecimal 4-byte number displayed as a decimal number equals the diagnostic
number in the ungrouped overview.
Main group
Sub-group
1
Short circuit
1
Current
2
I²t
1
Supply
2
Intermediate circuit
3
Principal voltage
2
Voltage
4
Encoder supply
1
Device
2
Output stage
3
Temperature
3
Motor
1
Homing
5
Motion
2
Motion control
0
No allocation
2
Limit values
6
Configuration/parameterisation
5
Parameter set
1
Limitations
2
Motion monitoring
3
Limit values
7
Monitoring
4
Zero angle detection
0
No allocation
8
Communication
4
EtherCAT
0
No allocation
9
Safety engineering
1
STO
10
Internal hardware
1
Module error
1
Exception
2
Task
11
Software
3
File system
Diagnostics and fault clearance
437
Festo — CMMT-ST-SW — 2019-02
Summary of Contents for CMMT-ST-SW
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