Carrier 19XL specifications Chiller Alerts, Spare Sensor Alert Messages

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

with Troubleshooting Guides (cont)

L. CHILLER ALERTS

PRIMARY MESSAGE	SECONDARY MESSAGE	ALARM MESSAGE/PRIMARY CAUSE		ADDITIONAL CAUSE/REMEDY
				Check that guide vanes are closing.
RECYCLE ALERT	HIGH AMPS AT SHUTDOWN	High Amps at Recycle: Check guide vane		Check motor amps correction cali-
		drive.		bration is correct. Check actuator for
				proper operation.
SENSOR FAULT ALERT	LEAVING COND WATER	Sensor Fault: Check leaving condenser
	TEMP	water sensor.		Check sensor. See sensor test
SENSOR FAULT ALERT	ENTERING COND WATER	Sensor Fault: Check entering condenser		procedure.
	TEMP	water sensor.
LOW OIL PRESSURE	CHECK OIL FILTER	Low Oil Pressure Alert: Check oil		Check oil ®lter. Check for improper
ALERT				oil level or temperature.
AUTORESTART PENDING	POWER LOSS	V	P Power Loss: Check voltage supply.
AUTORESTART PENDING	LOW LINE VOLTAGE	V	P [VALUE]* exceeded limit of	Check power supply if there are ex-
		[LIMIT].* Check voltage supply.
				cessive compressor starts occurring.
AUTORESTART PENDING	HIGH LINE VOLTAGE	V	P [VALUE]* exceeded limit of
		[LIMIT].* Check voltage supply.
SENSOR ALERT		CMPD [VALUE]* exceeded limit of		Discharge temperature exceeded
	HIGH DISCHARGE TEMP			the alert threshold. Check entering
		[LIMIT].* Check discharge temperature.
				condenser water temperature.
		MTRB [VALUE]* exceeded limit of		Thrust bearing temperature ex-
SENSOR ALERT	HIGH BEARING			ceeded the alert threshold. Check
		[LIMIT]*. Check thrust bearing
	TEMPERATURE			for closed valves, improper oil level
		temperature.
				or temperatures.
CONDENSER PRESSURE		CRP High Condenser Pressure		Check ambient conditions. Check
	PUMP RELAY ENERGIZED	[LIMIT]*. Pump energized to reduce
ALERT				condenser pressure for accuracy.
		pressure.
				The chiller load is too small to keep
				the chiller on line and there have
RECYCLE ALERT	EXCESSIVE RECYCLE	Excessive recycle starts.		been more than 5 restarts in 4
	STARTS			hours. Increase chiller load, adjust
				hot gas bypass, increase RECYCLE
				RESTART DELTA T.

*[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.

M. SPARE SENSOR ALERT MESSAGES

PRIMARY MESSAGE	SECONDARY MESSAGE	ALARM MESSAGE/PRIMARY CAUSE	ADDITIONAL CAUSE/REMEDY
SPARE SENSOR ALERT	COMMON CHWS SENSOR	Sensor Fault:
		Check common CHWS sensor.
SPARE SENSOR ALERT	COMMON CHWR SENSOR	Sensor Fault:
		Check common CHWR sensor.
SPARE SENSOR ALERT	REMOTE RESET SENSOR	Sensor Fault:
		Check remote reset temperature sensor.
SPARE SENSOR ALERT	TEMP SENSOR Ð SPARE 1	Sensor Fault:
		Check temperature sensor Ð Spare 1.
SPARE SENSOR ALERT	TEMP SENSOR Ð SPARE 2	Sensor Fault:
		Check temperature sensor Ð Spare 2.
SPARE SENSOR ALERT	TEMP SENSOR Ð SPARE 3	Sensor Fault:	Check alert temperature set points
		Check temperature sensor Ð Spare 3.	on Equipment Service, SERVICE2
SPARE SENSOR ALERT	TEMP SENSOR Ð SPARE 4	Sensor Fault:	LID table. Check sensor for accu-
		Check temperature sensor Ð Spare 4.	racy if reading is not accurate.
SPARE SENSOR ALERT	TEMP SENSOR Ð SPARE 5	Sensor Fault:
		Check temperature sensor Ð Spare 5.
SPARE SENSOR ALERT	TEMP SENSOR Ð SPARE 6	Sensor Fault:
		Check temperature sensor Ð Spare 6.
SPARE SENSOR ALERT	TEMP SENSOR Ð SPARE 7	Sensor Fault:
		Check temperature sensor Ð Spare 7.
SPARE SENSOR ALERT	TEMP SENSOR Ð SPARE 8	Sensor Fault:
		Check temperature sensor Ð Spare 8.
SPARE SENSOR ALERT	TEMP SENSOR Ð SPARE 9	Sensor Fault:
		Check temperature sensor Ð Spare 9.

NOTE: See Legend on page 68.

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