Page 110 OM 780-2
Alarm
Type
Alarm
Priority
Alarm Message Indication Reset
Comm Loss Between CSM and
Chiller 10
Communications lost between CSM and Chiller #10 Auto
Comm Loss Between CSM and
Chiller 9
Communications lost between CSM and Chiller #9 Auto
Comm Loss Between CSM and
Chiller 8
Communications lost between CSM and Chiller #8 Auto
Comm Loss Between CSM and
Chiller 7
Communications lost between CSM and Chiller #7 Auto
Comm Loss Between CSM and
Chiller 6
Communications lost between CSM and Chiller #6 Auto
Comm Loss Between CSM and
Chiller 5
Communications lost between CSM and Chiller #5 Auto
Comm Loss Between CSM and
Chiller 4
Communications lost between CSM and Chiller #4 Auto
Comm Loss Between CSM and
Chiller 3
Communications lost between CSM and Chiller #3 Auto
Comm Loss Between CSM and
Chiller 2
Communications lost between CSM and Chiller #2 Auto
Comm Loss Between CSM and
Chiller 1
Communications lost between CSM and Chiller #1 Auto
Comm Loss Between CSM and
Remote Module A
Communications lost between CSM and Remote I/O
Module A (cooling load pump control)
Auto
Comm Loss Between CSM and
Remote Module B
Communications lost between CSM and Remote I/O
Module B (cooling load pump control)
Auto
Comm Loss Between CSM and
Remote Module C
Communications lost between CSM and Remote I/O
Module C (cooling load pump control)
Auto
Comm Loss Between CSM and
Remote Module D
Communications lost between CSM and Remote I/O
Module D (loop bypass valve control)
Auto
Comm Loss Between CSM and
Remote Module E
Communications lost between CSM and Remote I/O
Module E (cooling tower control)
Auto
Comm Loss Between CSM and
Remote Module F
Communications lost between CSM and Remote I/O
Module F (cooling tower control)
Auto
Comm Loss Between CSM and
Remote Module G
Communications lost between CSM and Remote I/O
Module F (cooling tower control)
Auto
Comm Loss Between CSM and
Remote Module H
Communications lost between CSM and Remote I/O
Module H (cooling tower control)
Auto
Decoupler Flow Meter Fail The flow rate sensor used to determine decoupler line flow
has failed. Excess primary water flow will be eliminated as
a stage-down precondition
Auto
Cooling Load Pump #6 Fail Cooling Load Pump #6 status not proven after output was
energized
Manual
Cooling Load Pump #5 Fail Cooling Load Pump #5 status not proven after output was
energized
Manual
Cooling Load Pump #4 Fail Cooling Load Pump #4 status not proven after output was
energized
Manual
Cooling Load Pump #3 Fail Cooling Load Pump #3 status not proven after output was
energized
Manual
Cooling Load Pump #2 Fail Cooling Load Pump #2 status not proven after output was
energized
Manual
Cooling Load Pump #1 Fail Cooling Load Pump #1 status not proven after output was
energized
Manual
Outside Air Temp Sensor Fail Outdoor air temperature sensor failed Auto
Decoupler Temp Sensor Fail Decoupler temperature sensor failed. The requirement of
additional primary water flow will not cause a stage-up.
Auto
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