Low press alarm during low OAT start.
Board #1 offline (Master)
Evaporator flow switch alarm
Inlet temperature probe fault
Outlet temperature probe fault
Prepurge failed on circuit #1
Low Pressure Ratio on circuit #1
High pressure switch alarm on circuit #1
High pressure transducer alarm on circuit #1
Low pressure switch alarm on circuit #1
Low pressure transducer alarm on circuit #1
High discharge temperature circuit #1
Probes on circuit #1 failure
Transition alarm compressor #1
Low oil pressure on circuit #1
High oil delta pressure alarm on circuit #1
Prepurge failed on circuit #2
Low Pressure Ratio on circuit #2
High pressure switch alarm on circuit #2
High pressure transducer alarm on circuit #2
Low pressure switch alarm on circuit #2
Low pressure transducer alarm on circuit #2
High discharge temperature circuit #2
Maintenance required on compressor #2
Probes on circuit #1 failure
Transition alarm compressor #2
Low oil pressure on circuit #1
High oil delta pressure alarm on circuit #1
Low oil level on circuit #2
Pump down timer expired on circuit #2 (Warning not
signalled as alarm condition)
Low oil level on circuit #1
Pump down timer expired on circuit #1 (Warning not
signalled as alarm condition)
Heat recovery flow switch alarm.