Schneider Electric ACRC500, ACRC502 Respond to Alarms, View active alarms, Clear active alarms

Respond to Alarms

When an alarm is triggered, the cooling unit alerts you through the display by the following methods:

•Active alarm screen entry on scrolling status screens

•LEDs on the front panel display

•An optional audible alarm every 30 seconds, if enabled

View active alarms

Path: Main > View Alarms

The View Alarms screen provides the number of alarms, the severity, and a brief description of the alarm. Press the arrow keys to view the rest of the list.

Clear active alarms

Path: Main > Clear Alarms

A confirmation screen is displayed when you select this option. Enter the Admin password to clear the alarm list. Select YES to clear all of the alarms in the list. Select NO to return to the main screen. If the conditions that caused the alarm still exist, those conditions cause the alarm to be regenerated.

Alarm messages and suggested actions

Alarm Message	Severity	Action Required
Air Containment Pressure	Warning	• A hardware failure exists.
Sensor Fault		• For assistance, contact Customer Support.
Air Filter Clogged	Warning	• Clean or replace the air filter.
		• If the problem persists, contact Customer Support.
Air Filter Run Hours Violation	Warning	• Reset the Air Filter Run Hours after the air filter is cleaned or
		replaced.
A-Link Isolation Relay Fault	Critical	• For assistance, contact Customer Support.
Coil Fluid Valve Actuator Fault	Critical	• A hardware failure exists.
		• For assistance, contact Customer Support.
Check Condensate	Warning	• The condensate pump is running.
Management System Exists		• For assistance, contact Customer Support.
Condensate Pan Full	Critical	• Make sure the floats are operating correctly.
		• Clear debris from the condensate pan and drain lines.
		• Replace the sensor.
		• For assistance, contact Customer Support.
Condensate Pump Run Hours	Warning	• At the display interface, reset the Condensate Pump Run Hours in
Violation		the View Run Hours screen after the appropriate maintenance for the
		device has been performed.
Containment Differential	Warning	• Check the cooling unit airflow for obstruction.
Pressure High Alarm		• Clean or replace the air filter and reset the Air Filter run hours in the
		View Run Hours screen.
		• If the problem persists, contact Customer Support.
Cooling Failure	Critical	• Make sure the chiller is operating properly.
		• For assistance, contact Customer Support.
Entering Fluid High	Warning	• Make sure the chiller is operating properly.
Temperature Violation		• At the display interface, make sure the Inlet Fluid threshold is set
		correctly in the Set Unit Threshlds screen.
		• If the problem persists, contact Customer Support.
Entering Fluid Temperature	Warning	• Make sure the sensor is connected properly.
Sensor Fault		• If the problem persists, contact Customer Support.

InRow RC Operation and Maintenance Manual 27