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Table 8 — LID Primary and Secondary Messages and Custom Alarm/Alert Messages
with Troubleshooting Guides
J. Out-of-Range Sensor Failures
Primary Message Secondary Message
Alarm Message/Primary
Cause
Additional Cause/
Remedy
Sensor Fault
Leaving CHW Tempera-
ture
Sensor Fault: Check leaving CHW
sensor.
See
sensor test procedure
and check sensors for
proper operation and
wiring.
Sensor Fault
Entering CHW Tempera-
ture
Sensor Fault: Check entering
CHW sensor.
Sensor Fault
Condenser Pressure Sensor Fault: Check condenser
pressure transducer.
Sensor Fault
Evaporator Pressure Sensor Fault: Check evaporator
pressure transducer.
Sensor Fault
Bearing Temperature Sensor Fault: Check bearing tem-
perature sensor.
Sensor Fault
Motor Winding Temp Sensor Fault: Check motor tem-
perature sensor.
Sensor Fault
Discharge Temperature Sensor Fault: Check discharge
temperature sensor.
Sensor Fault
Oil Sump Temperature Sensor Fault: Check oil sump tem-
perature sensor.
Sensor Fault
Oil Pressure Transducer Sensor Fault: Check oil pressure
transducer.