Resetting the Circuit Breaker After a Trip Due to an Incident Detected by MicroLogic Active Self-tests
Reset Sequence
The following table shows the sequence of actions to take after a trip due to an incident detected by the MicroLogic Active control unit. Further explanation of each action is given in the following paragraphs.
|
Step |
Action |
|---|---|
|
1 |
Identify the trip cause on the pop-up trip message and trip cause LED. |
|
2 |
Consult the list of possible detected incidents and perform the actions recommended. |
|
3 |
Press OK to acknowledge and close the pop-up trip message. |
|
4 |
|
|
5 |
Press the
|
|
6 |
When the circuit breaker is ready to close, re-close it. |
Identifying the Trip Cause
|
Description |
Display screen |
Status and Trip cause LED display |
Status and Trip cause LED description |
|---|---|---|---|
|
Major MicroLogic Active control unit incident detected during self-test. |
Trip message is displayed on a red screen. |
Ready LED: off Status bar: red blinking ERMS LED: off All trip cause LEDs: red blinking |
Recommended Actions
The following table indicates what action to perform according to the trip message after a trip due to an incident detected by MicroLogic Active self-tests.
For more information about event messages, refer to DOCA0265•• MasterPacT MTZ - MicroLogic Active Control Unit - User Guide.
|
Code |
Trip message |
Description |
Recommended action |
|---|---|---|---|
|
0x6405 |
Control unit over temperature trip. |
The temperature of the control unit is above the maximum temperature threshold. |
Decrease ambient temperature near the circuit breaker. |
|
0x6406 |
Ultimate self-protection (SELLIM) trip) |
The circuit breaker tripped due to SELLIM protection. |
Reset the circuit breaker. |
|
0x6407 |
Self diagnostic trip. Replace control unit |
The circuit breaker tripped following a control unit internal event. |
Replace the MicroLogic Active control unit. Contact Schneider Electric support. |
|
0x640A |
ENCT disconnected trip. |
The control unit self-test detected the disconnection of the external neutral current sensor of the circuit breaker. |
Check internal/external wiring of External Neutral Current Sensor (ENCT) |
|
0x641D |
Ultimate self-protection (DIN/DINF) trip |
The circuit breaker tripped due to DIN/DINF protection. |
Reset the circuit breaker. |
|
0x6433 |
Current sensor loss. Replace circuit breaker. |
The control unit self test detected the disconnection of an internal sensor of the circuit breaker. |
Replace the circuit breaker. Contact Schneider Electric support. |
Contact your Schneider Electric Services representative for more information about who can carry out the recommended actions.