IOM 1281-2 • CENTRIFUGAL WATER CHILLERS 60 www.DaikinApplied.com
Fault
evaporator Pump SP) AND has not faulted]
Rapid Stop/No Start
pump wiring
Manual
Fault
evaporator Pump SP) AND has not faulted]
Rapid Stop/No Start
pump wiring
Manual
Table 20: Warning Alarms
Screen Text Occurs When Action Taken Troubleshooting Clear
Low Evaporator Pressure –
Inhibit Loading
Pressure < Low Evap Pressure–Inhibit setpoint Inhibit loading Auto
Low Evaporator Pressure –
Unload
Pressure < Low Evap Pressure–Unload setpoint Unload Auto
Evaporator Freeze Protect Evap Sat Refr Temp < Evaporator Freeze SP
Start evaporator pump
and oil pump
While unit is not running Auto
Condenser Freeze Protect Cond Sat Refr Temp < Condenser Freeze SP
Start condenser pump
and oil pump
While unit is not running Auto
Liquid Line Refrigerant
Temperature Sensor Fall
Warning
Sensor is shorted or open
Unit continues to run,
performance may be
Check for loose wires or failed sensor Auto
Entering Evaporator Water
Temperature Sensor Fall
Warning
Sensor is shorted or open
Unit continues to run,
performance may be
Check for loose wires or failed sensor Auto
Leaving Condenser Water
Temperature Sensor Fail
Warning
Sensor is shorted or open
Unit continues to run,
performance may be
Check for loose wires or failed sensor Auto
Entering Condenser Water
Temperature Sensor Fail
Warning
Sensor is shorted or open
Unit continues to run,
performance may be
Check for loose wires or failed sensor Auto
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