Filter
Top Products
25InRow SC Operation
Filter Sensor Fault Warning • A hardware failure exists. For assistance, refer to the back page of
this manual for contact information.
High Discharge Pressure Alarm Critical • For assistance, refer to the back page of this manual for contact
information.
Internal Communication Fault Critical • A hardware failure exists. For assistance, refer to the back page of
this manual for contact information.
Low Suction Pressure Alarm Warning • For assistance, refer to the back page of this manual for contact
information.
Rtn Air High Temp
(Return Air High Temperature
Violation)
Warning • Make sure the Return Air threshold is set correctly in the Set Unit
Threshlds screen.
• If the problem persists, contact APC at a number on the back cover
of this manual.
Sply Air High Temp
(Supply air High Temperature
Violation)
Warning • Make sure the Supply Air threshold is set correctly in the Set Unit
Threshlds screen.
• If the problem persists, contact APC at a number on the back cover
of this manual.
Persistent High Discharge
Pressure Alarm
Critical • For assistance, refer to the back page of this manual for contact
information.
Persistent Low Suction Pressure
Alarm
Critical • Indicates there were 3 Low Suction Pressure shutdowns in 30
minutes. Alarms must be cleared manually.
• For assistance, refer to the back page of this manual for contact
information.
Rack Inlet High Temperature
Violation
Critical • Make sure the Rack Inlet High Temperature Threshold is set
correctly in the "Thresholds" screen.
• Make sure remote temperature sensor is installed correctly in the
rack inlet air stream.
• If the problem persists, refer to the back page of this manual for
contact information.
Rack Inlet Temperature Sensor
Fault
Critical • For assistance, refer to the back page of this manual for contact
information.
Suction Pressure Sensor Fault Warning • A hardware failure exists. For assistance, refer to the back page of
this manual for contact information.
Suction Temperature Sensor
Fault
Warning • A hardware failure exists. For assistance, refer to the back page of
this manual for contact information.
Water Detection Fault Warning • Identify the source of the leak.
• For assistance, refer to the back page of this manual for contact
information.
Grp Comm Fault
(Group Communication Fault)
Critical • Make sure the number of cooling units in the group is configured
properly and the A-Link connections between cooling units are
correct.
• Make sure the system is receiving power and is connected properly.
• A hardware failure exists. For assistance, contact APC at a number
on the back cover of this manual.
Displayed Alarm Message Severity Action Required