APC ACECFR20200SE4 Installation Manual download pdf (Page 43)

37EcoBreeze System Operation and Maintenance

AFC ModBus Communication

Error

Critical • Check ModBus cable between AFC master sensor and

EcoBreeze frame controller.

• Power or Sensor failure of AFC master sensor.

• For assistance, contact Schneider Electric Customer

Support.

Insufficient Airflow Warning • Ensure plenums are clear of obstructions.

• Ensure air ports on AFC are clear of obstructions.

• Ensure sufficient cooling capacity exists for the load.

• For assistance, contact Schneider Electric Customer

Support.

Data Center Airflow Control

Differential Pressure High/Low

Warning The pressure differential at the sensor is outside of the

defined range. Verify that the sensor is functioning

properly.

• Verify that the air intake is not obstructed.

• Check the tubes, sensor, sensor configuration, and

wiring.

• Replace the field installed sensor.

COMMUNICATION ALARMS

Module #[1…N] Not

Responding

Critical Module N (Number) Not Responding.

• Check the wiring and CAN connections.

• Remove power from then restore power to the Module.

• Replace the controller if necessary.

UI Expansion IO Not

Responding

Critical • Check the wiring and CAN connections.

• Replace the expansion IO Module if necessary.

MIM Fault Critical • Check the wiring.

• Reboot the controller, check the ERR LED for fault

codes.

• Consult the controller documentation for additional

troubleshooting and diagnosis.

• Download new firmware.

• Repair or replace the MIM controller.

RIM Fault Critical • Check the wiring.

• Reboot the controller, check the ERR LED for fault

codes.

• Consult the controller documentation for additional

troubleshooting and diagnosis.

• Download new firmware.

• Repair or replace the RIM controller.

Module # [1…N] Inoperable Critical Identify and correct the fault at the Module.

WATER SYSTEM ALARMS

Supply Basin Water

Conductivity High

Warning The water conductivity at the sensor is outside of the

defined range. If the sensor is functioning properly, the

conductivity of the water must be addressed.

• Calibrate the conductivity sensors.

• Verify the drain solenoid valve is operating properly.

• Check the wiring.

• Replace the water conductivity sensor or drain solenoid

valve actuator if needed.

• See the Water System manual for more information.

Water Treatment System

Maintenance Required

Warning Specified maintenance should be performed at this time.

Resetting of the maintenance alarm should only be done

by the service technician after maintenance has been

performed.

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APC ACECFR20200SE4 Installation Manual Page 43

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