APC ACRA100 Installation Manual Page 49
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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41Pumped Refrigerant System Operation and Maintenance
CM alarm messages
Alarm
Number Alarm Message Severity Action Required
28 Air Filter Service
Interval Expired (RA
only)
Warning • Clean or replace the air filter
• Reset the alarm.
29 Evaporative Temperature
Below Dewpoint
Critical • Contact Technical Support.
22 Fan 1 Door Open (OA
only)
Critical • Make sure the door is closed.
• Make sure the door interlock switch is connected properly.
17 Fan 1 Fault Warning • Make sure the fan door is fully closed.
• Make sure all intakes are clear of blockage.
• Make sure the fan housing is full installed in the locked position.
• If the problem persists, contact Technical Support.
24 Fan 1 Missing or Wrong
Type (OA only)
Critical • Make sure the fan housing is fully installed and in the locked
position.
• Make sure the fan is set to the correct voltage.
• If the problem persists, contact Technical Support.
23 Fan 2 Door Open (OA
only)
Critical • Make sure the door is closed.
• Make sure the door interlock switch is connected properly.
18 Fan 2 Fault Warning • Make sure the fan door is fully closed.
• Make sure all intakes are clear of blockage.
• Make sure the fan housing is full installed in the locked position.
• If the problem persists, contact Technical Support.
25 Fan 2 Missing or Wrong
Type (OA only)
Critical • Make sure the fan housing is fully installed and in the locked
position.
• Make sure the fan is set to the correct voltage.
• If the problem persists, contact Technical Support.
19 Fan 3 Fault (RA Only) Warning • Make sure all intakes are clear of blockage.
• Make sure the fan housing is full installed in the locked position.
• If the problem persists, contact Technical Support.
20 Fan 4 Fault (RA Only) Warning • Make sure all intakes are clear of blockage.
• Make sure the fan housing is full installed in the locked position.
• If the problem persists, contact Technical Support.
21 Fan 5 Fault (RA Only) Warning • Make sure all intakes are clear of blockage.
• Make sure the fan housing is full installed in the locked position.
• If the problem persists, contact Technical Support.
27 Fan Type Not Configured Critical • Contact Technical Support.
13 Group Communication
Fault
Warning • Confirm that the A-Link cables are connected properly to the A-
Link ports.
• Confirm that the A-Link network has terminators on the first and
the last units in the chain.
• Verify the number of cooling units in the group is correct.
• If the problem persists, contact Technical Support.
8 Liquid Inlet Pressure
Sensor Fault
Critical • Make sure the refrigerant supply pressure sensor is connected
properly.
• If the problem persists, contact Technical Support.
5 Liquid Temperature
Sensor Fault
Critical • Make sure the sensor is connected properly.
• If the problem persists, contact Technical Support.
15 Primary Power Source
Failure
Warning • Make sure the power source is connected properly and is within
specifications.
- Operation and 1
- Maintenance 1
- 동봉된 CD 안에 한국어 매뉴얼이 있습니다 2
- Contents 5
- General Information 9
- Commissioning 11
- Ensure that the: 12
- Ensure that: 14
- Start-up Inspection Checklist 15
- Final Inspection Checklist 15
- Operation 16
- System Architecture 17
- OA Piping Diagram 20
- RA Piping Diagram 21
- Display Interface 22
- Using the Display 23
- Navigating the screens 24
- Sub-menus 24
- Using the Path statement 25
- Password entry 25
- Start the RDU 26
- Stop the RDU 26
- Start a CM Remotely 26
- Stop a CM Remotely 26
- General Configuration 27
- CM Configuration 29
- Identify the cooling modules 30
- Group Configuration 31
- Control the Environment 32
- Measurements 33
- Group PIDs 34
- Tune the PID loop 35
- RDU (component) run hours 36
- Reset RDU run hours 36
- CM (component) run hours 36
- Reset CM run hours 36
- Thresholds 36
- Service intervals 37
- Display Settings 38
- Adjust display 39
- Display units 39
- Network Configuration 40
- View Status Readings 41
- Cooling group status 44
- About the RDU 44
- Path: Main > View Alarms 45
- Path: Main > Clear Alarms 45
- CM alarm messages 49
- Network Management Card 52
- .ini file utility 53
- BOOTP and DHCP configuration 53
- Option 43 = 01 04 31 41 50 43 54
- 01) is the code 54
- 04) is the length 54
- Command line interface 55
- CM Display 57
- Display Operation 58
- Environment 60
- Cleanliness 60
- Mechanical 61
- Electrical 61
- Functional tests 62
- Troubleshooting 63
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