Major Events – Corrective Actions
When the TeSys island encounters a major event:
-
The fieldbus and service ports are not activated.
-
No avatars are activated, including the System avatar.
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All power modules and I/O modules are in the device Off state.
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A cycle of the control power is required to exit a major event state.
The following scenarios cause the island to encounter a major event:
|
Major Event |
Diagnosis |
Corrective Action |
|---|---|---|
|
Control Voltage exceeds 150% |
The voltage was over 150% for longer than the allowed duration |
Verify that the power supply voltage is within range. |
|
Control voltage exceeds 120% for 2 s |
The voltage was over 120% for longer than the allowed duration of 2 seconds consecutively |
Verify that the power supply voltage is within range. |
|
Bus Coupler Internal Device Event |
The LED is red, and Fieldbus communication is not working on the Bus Coupler |
Cycle power. If the problem persists, contact the next level of support. |