Installation manual

Pumped Refrigerant System Operation and Maintenance42
31 Primary Power Source
Overvoltage
Critical • The input voltage is higher than the unit’s rated value. Connect the
unit to a properly rated voltage input.
16 Secondary Power Source
Failure
Warning • Make sure the power source is connected properly and is within
specifications.
32 Secondary Power Source
Overvoltage
Critical • The input voltage is higher than the unit’s rated value. Connect the
unit to a properly rated voltage input.
7 Rack Temperature
Sensor Fault
Critical • Make sure the sensor is connected properly.
• If the problem persists, contact Technical Support.
10 Rack Temperature High
Violation
Critical • Make sure the temperature sensor is connected properly.
• Make sure the Rack Inlet High Temperature threshold is set
correctly in the Thresholds screen.
• If the problem persists, contact Technical Support.
30 RDU Communications
Fault
Critical • Confirm that the A-Link network has terminators on the first and
the last units in the chain.
• Confirm that the A-Link cables are connected properly to the A-
Link ports.
• If the problem persists, contact Technical Support.
11 Return Air High
Temperature Violation
Warning • Make sure the sensor is connected properly.
• Make sure the Return Air High Temperature threshold is set
correctly in the Thresholds screen.
• If the problem persists, contact Technical Support.
0 Return Air Temperature
Sensor Fault
(Front - OA, Top - RA)
Critical • Make sure the sensor is connected properly.
• If the problem persists, contact Technical Support.
1 Return Air Temperature
Sensor Fault
(Middle)
Critical • Make sure the sensor is connected properly.
• If the problem persists, contact Technical Support.
2 Return Air Temperature
Sensor Fault
(Rear - OA, Bottom - RA)
Critical • Make sure the sensor is connected properly.
• If the problem persists, contact Technical Support.
12 Supply Air High
Temperature Violation
Warning • Make sure the sensor is connected properly.
• Make sure the Supply Air High Temperature threshold is set
correctly in the Thresholds screen.
• If the problem persists, contact Technical Support.
3 Supply Air Temperature
Sensor Fault
(Front) OA only
Critical • Make sure the sensor is connected properly.
• If the problem persists, contact Technical Support.
4 Supply Air Temperature
Sensor Fault
(Rear) OA only
Critical • Make sure the sensor is connected properly.
• If the problem persists, contact Technical Support.
33 Unit in Maintenance
Mode
Critical • Service Technician may be troubleshooting the unit. To return the
unit to normal operation, reset the unit.
35 Upper Supply
Temperature 1 Fault
Critical • Make sure the sensor is connected properly.
• If the problem persists, contact Technical Support.
36 Upper Supply
Temperature 2 Fault
Critical • Make sure the sensor is connected properly.
• If the problem persists, contact Technical Support.
37 Upper Supply
Temperature 3 Fault
Critical • Make sure the sensor is connected properly.
• If the problem persists, contact Technical Support.
38 Upper Supply
Temperature 4 Fault
Critical • Make sure the sensor is connected properly.
• If the problem persists, contact Technical Support.
Alarm
Number Alarm Message Severity Action Required