www.DaikinApplied.com 61 IOM 1274-3 • CENTRIFUGAL WATER CHILLERS
Table 23: Warning Alarms and Informative Messages
Screen Text Action Taken Troubleshooting Clear
Warning
available (per the evaporator Pump SP) AND has not faulted].
Check for loose wires or failed sensor
Manual
Warning
available (per the evaporator Pump SP) AND has not faulted].
Check for loose wires or failed sensor.
Manual
Warning
available (per the evaporator Pump SP) AND has not faulted].
Check for loose wires or failed sensor.
Manual
Warning
available (per the evaporator Pump SP) AND has not faulted].
Check for loose wires or failed sensor.
Manual
Evaporator Water Freeze Warning
Evap Sat Refr Temp < Evaporator Freeze SP while unit is not running.
Start evap pump and oil pump
Auto
Condenser Water Freeze Warning
Cond Sat Refr Temp < Condenser Freeze SP while unit is not running.
Start cond pump and oil pump
Auto
Hold - Evaporator Pressure Low Informative Message Inhibits unloading. Pressure < Low Evap Pressure–Inhibit setpoint Auto
Unload - Evaporator Pressure Low Informative Message Pressure < Low Evap Pressure–Unload setpoint Auto
Sensor Fault: Liquid Line Informative Message
Sensor is shorted or open. Check for loose wires or failed sensor. Unit
Auto
Sensor Fault: Evap EWT Informative Message Auto
Sensor Fault: Cond EWT Informative Message Auto
Sensor Fault: Cond LWT Informative Message Auto
IGV Sensor Fault Informative Message Auto
RLA High (Current) Informative Message Unit asked to stop but current still detected. Auto
Tower Sump Temp Sensor Warning Informative Message Auto
Network Amp Limit Active Informative Message Auto
Soft Load Running Informative Message Auto
Discharge Temperature High (Load) Informative Message Auto
Unload Inhibited RLA at Min Informative Message Auto
LWT Slope Limit Informative Message If Heat Mode, LWT is from condenser Auto
Evaporator Press Load Inhibit Informative Message Auto
Amp Limit No Load Informative Message Auto
Evaporator Pressure Unload Informative Message Auto
Amp Limit Unload Informative Message Auto
VFD at Minimum Speed Informative Message Auto
Staging Unload Informative Message Auto
Vane Mode Informative Message Auto
VFD Mode Informative Message Auto
Maximum Amps No Load Informative Message Auto
Maximum Amps Unload Informative Message Auto
Motor Temperature Unload Informative Message Auto
Motor Temperature No Load Informative Message Auto
Motor Coolant Loss Informative Message Auto
Motor Coolant Capacity-Limited Informative Message Auto
Oil Reclaim System Activated Informative Message Auto
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