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Suction Pressure SP#1 Fail -
This message will appear when the suction pressure falls below the safety setting of the Low Suction Pres-
sure Trip Setpoint No.1. In addition, this message will appear when the suction pressure reading rises above
300 PSI, indicating an open transducer or bad analog channel.
Suction Pressure SP#2 Fail -
This message will appear when the suction pressure falls below the safety setting of the Low Suction Pres-
sure Trip Setpoint No.2. In addition, this message will appear when the suction pressure reading rises
above 300 PSI, indicating an open transducer.
Discharge Pressure SP#1 Fail –
This message will appear when the discharge pressure exceeds the safety setting of the Hi Dsch Press Trip
Setpoint No. 1 . In addition, this message will appear when the discharge pressure reading falls below 30”
Hg, indicating a shorted transducer.
Discharge Pressure SP#2 Fail –
This message will appear when the discharge pressure exceeds the safety setting of the Hi Dsch Press Trip
Setpoint No. 2 . In addition, this message will appear when the discharge pressure reading falls below 30”
Hg, indicating a shorted transducer.
Suction Temp Fail –
This message will appear when the suction temperature falls below the safety setting of the Low Suction
Temperature Trip setpoint. In addition, this message will appear when the suction temperature rises above
400 degrees, indicating an open RTD.
Discharge Temp Fail –
This message will appear when the discharge temperature rises above the safety setting of the High Dis-
charge Temperature Trip setpoint. In addition, this message will appear when the discharge temperature
falls below -30 degrees, indicating a shorted RTD.
Oil Separator Start Temp Fail –
This message will appear when the Oil Separator Temp is below the Low Oil Separator Start Temp Trip
setpoint. In addition this message will appear after the Oil Separator Temp Safety Changeover timer times
out and the Oil Separator temperature fails to rise above the Low Oil Separator Start Temp Reset after the
compressor is started.
Oil Separator Run Temp Fail –
This message will appear when the Oil Separator Temp is below the Low Oil Separator Run Temp Reset
setpoint after the Oil Separator Temp Safety Changeover timer times out.
Percent Capacity Fail –
This message will appear if the percent capacity reading exceeds 300% or goes below –15%.
Percent Volume Fail –
This message will appear if the percent volume reading exceeds 300% or goes below –15%.
Low Control Temperature Fail –
This message will appear when the Process Control Temperature falls below the safety setting of the Lo
Control Temperature Trip Setpoint. In addition, this message will appear when the Process Control Tem-
perature rises above 300 degrees F, indicating an open RTD.
Safety Failure Message