Carrier 19XL Start-Up, Operation And Maintenance Instructions Manual page 72

Table 9 — LID Primary and Secondary Messages and Custom Alarm/Alert Messages
I. NORMAL RUN OVERRIDES ACTIVE (ALERTS)
PRIMARY MESSAGE SECONDARY MESSAGE
RUN CAPACITY
HIGH CONDENSER PRESSURE
LIMITED
RUN CAPACITY
HIGH MOTOR TEMPERATURE
LIMITED
RUN CAPACITY
LOW EVAP REFRIG TEMP
LIMITED
RUN CAPACITY
HIGH COMPRESSOR LIFT
LIMITED
RUN CAPACITY
MANUAL GUIDE VANE TARGET
LIMITED
*[LIMIT] is shown on the LID as the temperature, pressure, voltage, etc., set point predefined or selected by the operator as an override, alert, or
alarm condition. [VALUE] is the actual temperature, pressure, voltage, etc., at which the control tripped.
J. OUT-OF-RANGE SENSOR FAILURES
PRIMARY MESSAGE SECONDARY MESSAGE
SENSOR FAULT LEAVING CHW TEMPERATURE
SENSOR FAULT ENTERING CHW TEMPERATURE
SENSOR FAULT CONDENSER PRESSURE
SENSOR FAULT EVAPORATOR PRESSURE
SENSOR FAULT BEARING TEMPERATURE
SENSOR FAULT MOTOR WINDING TEMP
SENSOR FAULT DISCHARGE TEMPERATURE
SENSOR FAULT OIL SUMP TEMPERATURE
SENSOR FAULT OIL PRESSURE TRANSDUCER
NOTE: See Legend on page 68.
with Troubleshooting Guides (cont)
ALARM MESSAGE/PRIMARY CAUSE
CRP [VALUE]* exceeded limit of
[LIMIT]*. Condenser pressure override.
MTRW [VALUE]* exceeded limit of
[LIMIT]*. Motor temperature override.
ERT [VALUE]* exceeded limit of
[LIMIT]*. Check refrigerant charge level.
Surge Prevention Override; lift too high
for compressor.
GV TRG Run Capacity Limited:
Manual guide vane target.
ALARM MESSAGE/PRIMARY CAUSE
Sensor Fault: Check leaving CHW
sensor.
Sensor Fault: Check entering CHW
sensor.
Sensor Fault: Check condenser
pressure transducer.
Sensor Fault: Check evaporator
pressure transducer.
Sensor Fault: Check bearing
temperature sensor.
Sensor Fault: Check motor temperature
sensor.
Sensor Fault: Check discharge
temperature sensor.
Sensor Fault: Check oil sump
temperature sensor.
Sensor Fault: Check oil pressure
transducer.
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ADDITIONAL CAUSE/REMEDY
See Capacity Overrides, Table 4.
Correct operating condition, modify
setpoint, or release override.
ADDITIONAL CAUSE/REMEDY
See sensor test procedure and
check sensors for proper operation
and wiring.