Carrier 19XL Normal RUN Overrides Active Alerts, OUT-OF-RANGE Sensor Failures, Limited

Table 9 Ð LID Primary and Secondary Messages and Custom Alarm/Alert Messages

with Troubleshooting Guides (cont)

I. NORMAL RUN OVERRIDES ACTIVE (ALERTS)

PRIMARY MESSAGE	SECONDARY MESSAGE	ALARM MESSAGE/PRIMARY CAUSE		ADDITIONAL CAUSE/REMEDY
RUN CAPACITY	HIGH CONDENSER PRESSURE	CRP [VALUE]* exceeded limit of
LIMITED		[LIMIT]*. Condenser pressure override.
RUN CAPACITY	HIGH MOTOR TEMPERATURE	MTRW [VALUE]* exceeded limit of
LIMITED		[LIMIT]*. Motor temperature override.
				See Capacity Overrides, Table 4.
RUN CAPACITY		ERT [VALUE]* exceeded limit of
	LOW EVAP REFRIG TEMP			Correct operating condition, modify
LIMITED		[LIMIT]*. Check refrigerant charge level.
				setpoint, or release override.
RUN CAPACITY	HIGH COMPRESSOR LIFT	Surge Prevention Override; lift too high
LIMITED		for compressor.
RUN CAPACITY	MANUAL GUIDE VANE TARGET	GV	TRG Run Capacity Limited:
LIMITED		Manual guide vane target.

*[LIMIT] is shown on the LID as the temperature, pressure, voltage, etc., set point prede®ned 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	ALARM MESSAGE/PRIMARY CAUSE	ADDITIONAL CAUSE/REMEDY
SENSOR FAULT	LEAVING CHW TEMPERATURE	Sensor Fault: Check leaving CHW
		sensor.
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.
			See sensor test procedure and
SENSOR FAULT		Sensor Fault: Check bearing
	BEARING TEMPERATURE		check sensors for proper operation
		temperature sensor.
			and wiring.
SENSOR FAULT	MOTOR WINDING TEMP	Sensor Fault: Check motor temperature
		sensor.
SENSOR FAULT	DISCHARGE TEMPERATURE	Sensor Fault: Check discharge
		temperature sensor.
SENSOR FAULT	OIL SUMP TEMPERATURE	Sensor Fault: Check oil sump
		temperature sensor.
SENSOR FAULT	OIL PRESSURE TRANSDUCER	Sensor Fault: Check oil pressure
		transducer.

NOTE: See Legend on page 68.

72