Diagnosing Micrologic X Control Unit Alarms

1

Identify the alarm detected.

2

Acknowledge the alarm cause on the Micrologic X display screen.

3

Consult the list of alarms and perform the recommended actions.

Ready LED flashing green.

Service LED orange.

All LEDs are off.

Medium severity alarm (see Recommended Action after Detection of a Medium Severity Micrologic X Alarm).

Service LED red.

Ready LED flashing green.

Service LED red.

Ready LED off.

All LEDs are off.

All LEDs are on.

High severity alarm (see Recommended Action after Detection of a High Severity Micrologic X Control Unit Alarm).

1

Press OK.

The display screen displays:

• An alarm message.

• The date and time that the alarm occurred.

2

Consult the list of alarm messages in the following tables and perform the actions recommended.

3

Press OK to acknowledge the trip and return to the Home menu.

4

Press the Test/Reset button for three seconds to reset the control unit and switch off the service LED.

0x1400
0x1404
0x1405
0x1406
0x1416

CU self-test major malfunction

The control unit self-test detected a major malfunction in the control unit operation.

NOTE: The malfunction trips or does not trip the device, depending on how the fallback position is configured.

The control unit self-test had invalid results.

Call Schneider Electric field service to replace the control unit.

0x1409

Unable to read sensor plug

The control unit is unable to read the value of the sensor plug.

Check connection of the sensor plug and performer plugs. If the connection is good but the control unit is still unable to reach the value, replace the sensor plug or the control unit.

0x1413

Ig test - no trip

The ground fault (Ig) test trip not executed.

Restart the test. If it does not execute again, replace the control unit.

0x1430

Protection reset to default setting if rebooted.

If switched off, the control unit will be reset at next reboot to the default values of the protection settings.

Call Schneider Electric field service to replace the control unit.

0x1442

Contact wear > 100%.
Replace CB

The contact wear indicator reached the threshold of 100%.

Replace the circuit breaker.

0x1444

CB has reached the max number of operations

The circuit breaker reached the maximum number of operations.

Replace the circuit breaker.

0x1451

MCH has reached the max number of operations

The spring charging motor (MCH) reached the maximum number of operations.

Replace the MCH.

0x03F5

Ir prealarm (I > 90% Ir)

The long time protection prealarm started: at least one of the phase or neutral currents is higher than 90% Ir threshold. The circuit breaker is operating close to Ir threshold.

Check the load.

0x0D00

Critical hardware modules discrepancy

There is a major hardware discrepancy between the installed modules that prevent them from operating.

In the Ecoreach Firmware menu, see which module has the discrepancy.
Replace the module.

0x0D01

Critical firmware modules discrepancy

There is a major software discrepancy between the installed ULP modules that prevent them from operating.

With Ecoreach software, upgrade the firmware in the module .

0x0D02

Non-critical hardware modules discrepancy

There is a minor hardware discrepancy between the installed modules that prevent them from operating correctly.

Plan to replace the module.

0x0D03

Non-critical firmware modules discrepancy

There is a minor software discrepancy between the installed modules that prevent them from operating correctly.

With Ecoreach software, upgrade the firmware in the module.

0x0D06

Config error IO/CU: dual settings or inhibit cls.

There is a declaration discrepancy between the IO module and the control unit.

Use Ecoreach software to correct the mismatch, as follows:

• Dual settings configuration mismatch:

1. Set Switch mode to IO-1 Wire or IO-2 Wire.

2. Set IO module with dual setting assignment..

• Inhibit close order configuration mismatch

1. Set Allow control by digital input under breaker close as enabled .

2. Set IO module with Enable/Inhibit close order assignment.

0x0D08

Address conflict between modules

The control unit self-test detected the unexpected presence of IO2 module when IO1 is not present.

Check the supply of the IO#1 module.

0x0D09

Firmware discrepancy within control unit

The control unit self-test detected a discrepancy between the firmware versions of control unit processors.

Use Ecoreach software to upgrade the firmware in the control unit.

0x0D0C

Config mismatch IO/CU - optional protection inhibit

There is a declaration discrepancy between the IO module and the control unit for inhibition of optional protection functions.

Using Ecoreach software:

• If you want optional protection inhibition to be controlled by an IO module, connect an IO with inhibit optional protection assignment.

• If you do not want optional protection inhibition to be controlled by an IO module, connect an IO without inhibit optional protection assignment.

0x0D0D

Config.error IO/CU- Local/Remote mode

There is a declaration discrepancy between the IO module and the control unit for local/remote mode assignment.

Using Ecoreach software:

• If you want the L/R mode to be controlled by an IO module, connect an IO with L/R mode assignment.

• If you do not want the L/R mode to be controlled by IO module, connect an IO without L/R mode assignment.

0x101C

Circuit breaker did not open or close

The circuit breaker did not open or to close as expected.

Visually check circuit breaker position and plan maintenance.

0x1108

Protection changed by Bluetooth / USB / IFE

The protection parameters were changed by communication through Modbus, Ecoreach, or the MTZ mobile app..

For information: No action is required.

0x1120

Communication lost with IO#1 module

The control unit lost communication with the IO#1 module

Check the power supply of the IO#1 module. Check the ULP cable connection.

0x1121

Communication lost with IO#2 module

The control unit lost communication with the IO#2 module

Check the power supply of the IO#2 module. Check the ULP cable connection.

0x1122

Communication lost with EIFE or IFE module

The control unit lost communication with the EIFE or IFE module

Check the power supply of the IFE module. Check the ULP cable connection.

0x1123

Communication lost with IFM module

The control unit lost communication with the IFM module.

Check the power supply of the IFM module. Check the ULP cable connection.

0x112C

Control unit firmware upgrade unsuccessful

The firmware upgrade of the control unit was unsuccessful.

Restart the upgrade procedure. If the message is displayed again, call Schneider Electric field service.

0x1407
0x1470
0x1471
0x1472
0x1473

Control unit self test

The control unit self-test had unexpected results.

Plan to replace the control unit.

0x140A
0x147A
0x147B

Invalid display screen or wireless communication

Control unit self-test detected an invalid result on display screen or the wireless module.

Plan to replace the embedded display screen, which contains the wireless antenna.

0x1411

Invalid measurement and optional protection

Control unit self test detected an invalid result for metering and other protection

Monitor the control unit. If other invalid self-test results occur, plan to replace the control unit.

0x1412
0x1414
0x1415

NFC invalid communication

The control unit self-test detected an invalid NFC communication

Plan to replace the control unit.

0x1422

Bluetooth communication lost

The control unit self-test found no Bluetooth communication

Plan to replace the control unit.

0x1433

Replace battery

The lithium battery is under 3 V and needs to be replaced soon.

Replace the battery.

0x1434

Self diagnostic test – firmware

The control unit self-test detected a firmware internal problem.

Use Ecoreach software to upgrade the firmware version of the control unit.

0x1436

Control unit alarm reset

The control unit self-test detected an invalid result in the control unit and corrected it.

Monitor the control unit. If other self-test invalid results occur and are corrected, plan to replace the control unit.

0x1437

Battery not detected

The required battery is not present.

Add battery.

0x1438

Main voltage loss and circuit breaker is closed

The circuit breaker is closed but no voltage is detected.

Check main voltage.

0x1440

Contact wear is above 60%. Check contacts.

The contact wear indicator has reached or is above the threshold of 60%.

Check contact wear.

0x1441

Contact wear is above 95%. Plan for replacement.

The contact wear indicator has reached or is above the threshold of 95%.

Plan to replace the circuit breaker.

0x1443

Less than 20% CB operation remaining

The remaining number of operations of the circuit breaker is less than 20%.

Plan to replace the circuit breaker.

0x1450

MCH charging operations above threshold

The number of operations of the spring charging motor (MCH) reached the alarm threshold.

Plan to replace the MCH.

0x1460

Invalid self test – MX1 shunt trip

The control unit self-test detected an invalid result for the shunt trip (MX1).

Replace the shunt trip (MX1).

0x1461

MX1 shunt trip not detected.

The control unit self-test detected the unexpected absence of the shunt trip (MX1).

Check the connection of the shunt trip (MX1).

0x1462

Invalid self test – XF shunt close

The control unit self-test detected an invalid result for the shunt close (XF).

Replace the shunt close (XF).

0x1463

XF shunt close not detected.

The control unit self-test detected the unexpected absence of the shunt close (XF).

Check the connection of the shunt close (XF).

0x1464

Invalid self test – MN undervoltage release

The control unit self-test detected an invalid result for the undervoltage release (MN).

Replace the undervoltage release (MN).

0x1465

MN undervoltage release not detected

The control unit cannot detect the undervoltage release (MN).

Check the connection of the undervoltage release (MN).

0x1466

Voltage loss on MN undervoltage release

—

Check the control voltage.

0x1468

Invalid self test – MX2 shunt trip

The control unit self-test detected an invalid result for the shunt trip (MX2).

Replace the shunt trip (MX2).

0x1469

MX2 shunt trip not detected

The control unit cannot detect the shunt trip (MX2).

Check the connection of the shunt trip (MX2).

0x1474
0x1475
0x1476
0x1477

Protection settings no longer accessible

The control unit cannot access the protection settings.

Call Schneider Electric field service to replace the control unit.

0x1411
0x1478
0x1479

Invalid measurement and optional protection

The control unit self-test detected an invalid result in the metering or optional protection functions of the control unit.

Plan to replace the control unit.

0x6200

Ir start (I > 105% Ir)

The long time protection started: at least one of the phase or neutral currents is higher than the Ir threshold. The circuit breaker will trip at the end of the time delay.

Operation information. No action required.

0x6300

Ir operate

The long time protection operated: at least one of the phase or neutral currents is higher than the Ir threshold and the time delay is elapsed.

Reset the device (see Resetting Masterpact MTZ Devices) or use the Masterpact MTZ Mobile App Power restoration assistant.

0x6301

Isd operate

The short time protection operated: at least one of the phase or neutral currents is higher than the Isd threshold and the time delay is elapsed.

Reset the device (see Resetting Masterpact MTZ Devices) or use the Masterpact MTZ Mobile App Power restoration assistant.

0x6302

Ii operate

The instantaneous protection operated: at least one of the phase or neutral currents is higher than the Ii threshold (no time delay).

Reset the device (see Resetting Masterpact MTZ Devices) or use the Masterpact MTZ Mobile App Power restoration assistant.

0x6303

Ig operate

The ground-fault protection operated: the ground-fault current is higher than the Ig threshold and the time delay tg is elapsed.

Reset the device (see Resetting Masterpact MTZ Devices) or use the Masterpact MTZ Mobile App Power restoration assistant.

0x6306

Ultimate self-protection (SELLIM) operate

The integrated instantaneous protection (SELLIM) operates: at least one of the phase or neutral currents is higher than the SELLIM threshold (no time delay).

Reset the device (see Resetting Masterpact MTZ Devices) or use the Masterpact MTZ Mobile App Power restoration assistant.

0x631D

Ultimate self-protection trip (DIN/DINF) operate

The integrated instantaneous protection (DIN/DINF) operates: at least one of the phase or neutral currents is higher than the DIN/DINF threshold (no time delay).

Reset the device (see Resetting Masterpact MTZ Devices) or use the Masterpact MTZ Mobile App Power restoration assistant.