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27InRow RC Operation and Maintenance Manual
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
Sensor Fault
Warning • A hardware failure exists.
• 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
Management System Exists
Warning • The condensate pump is running.
• 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
Violation
Warning • At the display interface, reset the Condensate Pump Run Hours in
the View Run Hours screen after the appropriate maintenance for the
device has been performed.
Containment Differential
Pressure High Alarm
Warning • Check the cooling unit airflow for obstruction.
• 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
Temperature Violation
Warning • Make sure the chiller is operating properly.
• 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
Sensor Fault
Warning • Make sure the sensor is connected properly.
• If the problem persists, contact Customer Support.