E4-9736
Hot Swap Terminal Unit Not Found
ABB · System
What does E4-9736 mean?
The system requires a hot swap terminal unit for proper operation, but it was not detected or is missing. This configuration error can prevent the system from recognizing or communicating with I/O modules, leading to incomplete system functionality or a halt.
Additional Steps
Steps 1–2 are listed in Priority Fix.
- 3
Ensure the system configuration correctly specifies the presence and type of the hot swap terminal unit.
Source: ABB System
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