Carrier 19XL - Manual (Page 293)

Table 10J — Out-of-Range Sensor Failures
Primary Message Secondary Message Alarm Message/Primary Cause
Additional Cause/
Remedy
Sensor Fault
Leaving CHW Temperature Sensor Fault: Check leaving CHW
sensor.
See sensor test procedure
and check sensors for
proper operation and wir-
ing.
Sensor Fault
Entering CHW Temperature 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 temper-
ature sensor.
Sensor Fault
Discharge Temperature Sensor Fault: Check discharge tem-
perature 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.