WAGO 750-370 Manual page 107

Detail diagnostics "F Module PROFIsafe" (Data set 52, 2 Byte long)
Fault
0x0002 Undervoltage field supply
0x0005 Excessive temperature within the PROFIsafe I/O module
0x0009 Fault
0x0019 Safety relevant fault, a hardware fault has occurred on safety relevant
0x0020 External fault, there is a fault in the detail diagnostics for the input or
Notice
For the 750-370 Fieldbus Coupler with firmware 03 or later, detail
diagnostics must no longer be read via the corresponding dataset. They are
directly made available as channel diagnostics.
WAGO-I/O-SYSTEM 750
PROFINET IO
Acyclic Communication using Record Data Sets
Description
switching parts or there is a program sequence fault caused by the device
software.
output periphery.
PROFINET IO 750-370 • 107