APC ACRC301S User's Guide Page 30
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- Table of contents
- TROUBLESHOOTING
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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
- Operation and 1
- Maintenance 1
- 동봉된 CD 안에 한국어 매뉴얼이 있습니다 2
- Contents 3
- Operation 7
- Using the Display 8
- Main menu screens 9
- Navigating the interface 9
- Change settings 10
- Password entry 10
- Start the cooling unit 11
- Stop the cooling unit 11
- Factory default settings 11
- Set Up General Configuration 12
- Set Up Contacts 13
- Configure the cooling group 14
- Identify the cooling unit 15
- Configure Modbus 15
- Control the Environment 16
- PID settings 17
- How to tune the PIDs 18
- Run hours 19
- Thresholds 20
- Service intervals 20
- ENTER key 21
- NTER key 21
- NTER key to confirm 21
- Date and time 22
- Configure the display 22
- Display units 22
- Set Up Network Configuration 23
- View Status Readings 24
- Cooling group status 25
- About cooling unit 25
- View Event Log 26
- Respond to Alarms 27
- Return Temperature Sensor 29
- Supply Temperature Sensor 29
- Network Management Card 33
- See also 34
- TCP/IP from the Network menu 38
- TCP/IP menu. (Changes will 38
- NTER, repeatedly 42
- How to Upgrade Firmware 44
- Mechanical 46
- Electrical 46
- Functional tests 47
- Cleanliness 48
- Troubleshooting 49
- Warranty 53
- Drawings, descriptions 54
- Warranty claims procedure 54
- Exclusions 54
- Warranty Procedures 55
- Radio Frequency Interference 59
- *990-2681A-001* 60
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