Diagnostics Alarms - Siemens SIMATIC S7-1500 Equipment Manual

Diagnostic alarms

5.2 Diagnostics alarms

5.2 Diagnostics alarms
Diagnostics alarms
A diagnostics alarm is generated and the ERROR LED flashes on the module for each
diagnostics event. The diagnostics alarms can be read out in the diagnostics buffer of the
CPU, for example. You can evaluate the error codes with the user program.
Table 5- 3 Diagnostics alarms, their meaning and corrective measures
Diagnostics alarm
Limit value warning
22
Error code Meaning
17 The configured limit for switching
H
cycles has been exceeded.
Digital output module DQ 16x230VAC/1A ST Triac (6ES7522-5FH00-0AB0)
Equipment Manual, 12/2021, A5E34934069-AC
Corrective measures
• Replace actuator as a precaution-
ary measure
• Reset counter with DS131