APC ACRC301S Guide de l'utilisateur Page 30

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Operation: Respond to Alarms
24 InfraStruXure InRow RC—Operation and Maintenance
Fluid Flowmeter Fault Critical • If a leak exists, fix the problem.
• Make sure the supply and return chilled water pipes are
connected properly, fluid is flowing from the chiller to
the unit, and the electrical connections to the flowmeter
are correct.
Group Communication Lost Warning • Make sure the number of units in the group is
configured properly, and the A-Link connections
between units are correct. Also, make sure the system is
receiving power and connected properly.
• For assistance, contact APC Worldwide Customer
Support. Refer to the back page of this manual for
contact information.
Internal Communications Fault Critical • A hardware failure exists. For assistance, contact APC
Worldwide Customer Support. Refer to the back page of
this manual for contact information.
Leaving Fluid Temperature
Sensor Fault
Warning • Make sure the sensor is connected properly.
• If the problem persists, replace the sensor,
• For further assistance, contact APC Worldwide
Customer Support. Refer to the back page of this
manual for contact information.
Lower Return Air Sensor Fault Critical • Make sure the sensor is connected properly.
• If the problem persists, replace the sensor, or contact
APC Worldwide Customer Support. Refer to the back
page of this manual for contact information.
Lower Supply Air Sensor Fault Critical • Make sure the sensor is connected properly.
• If the problem persists, replace the sensor, or contact
APC Worldwide Customer Support. Refer to the back
page of this manual for contact information.
On Standby: Input Contact Fault Critical • Make sure the input normal state is defined correctly in
the Configure Unit screen.
Clear the problem that caused the input contact to switch
from its normal state.
• If the problem persists, replace the sensor, or contact
APC Worldwide Customer Support. Refer to the back
page of this manual for contact information.
Power Source A Failure Warning • Make sure the power source is connected properly and
the power is on.
• If the problem persists, replace the sensor, or contact
APC Worldwide Customer Support. Refer to the back
page of this manual for contact information.
Power Source B Failure Warning • Make sure the power source is connected properly and
the power is on.
• If the problem persists, replace the sensor, or contact
APC Worldwide Customer Support. Refer to the back
page of this manual for contact information.
Displayed Alarm Message Severity Action Required
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