Installation manual

25InRow RD Fluid Cooled Operation and Maintenance
Fan PwrSp Fault
(Lower Fan Power Supply Fault)
Warning • Make sure the power supplies are seated properly and the Input and
Output Healthy LEDs are lit.
• If the problem persists, contact APC at a number on the back cover of
this manual.
Air Fltr RnHr Violation
(Air Filter Run Hours Violation)
Warning • Reset the Air Filter Run Hours after the air filter is cleaned or
replaced.
Grp Comm Fault
(Group Communication Fault)
Warning • 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.
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.
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.
Filter DP Sensor Failure Warning • Make sure the sensor is connected properly.
• If the problem persists, replace the sensor or contact APC at a number
on the back cover of this manual.
Suction Temperature Sensor
Failure
Warning • Make sure the sensor is connected properly.
• If the problem persists, replace the sensor or contact APC at a number
on the back cover of this manual.
Suction Pressure Sensor Failure Warning • Make sure the sensor is connected properly.
• If the problem persists, replace the sensor or contact APC at a number
on the back cover of this manual.
Dischrg Pressure Sensor Failure Warning • Make sure the sensor is connected properly.
• If the problem persists, contact APC at a number on the back cover of
this manual.
Input Contact Fault Warning • Make sure the Input Normal state is defined correctly in the
Configure Unit> Discrete I/O screen. See page 12 for more
information.
• Clear the problem that caused the input contact switch to change from
the normal state.
• If the problem persists, contact APC at a number on the back cover of
this manual.
Persistent High Discharge
Pressure Fault
Critical • Indicates there were 3 High Discharge Pressure shutdowns in 30
minutes. Alarms must be cleared manually.
• If the problem persists, contact APC at a number on the back cover of
this manual.
Persistent Low Suction Pressure
Fault
Critical • Indicates there were 3 Low Suction Pressure shutdowns in 30
minutes. Alarms must be cleared manually.
• If the problem persists, contact APC at a number on the back cover of
this manual.
Alarm Message Severity Action Required