Carrier PC211 specifications Machine Alerts

Table 10L — Machine Alerts

Primary	Secondary	Alarm Message/		Additional Cause/Remedy
Message	Message	Primary Cause
Recycle Alert	High Amps at Shut-	High Amps at Recycle:		Check that guide vanes are closing. Check
	down	Check guide vane drive.		motor amps correction calibration is cor-
				rect. Check actuator for proper operation.
Sensor Fault	Leaving Cond Water	Sensor Fault: Check
	Temp	leaving condenser water
Alert
		sensor.		Check sensor. See sensor test procedure.
Sensor Fault	Entering Cond Water	Sensor Fault: Check
	Temp	entering condenser
Alert
		water sensor.
Low Oil	Check Oil Filter	Low Oil Pressure Alert:		Check oil filter. Check for improper oil level
Pressure Alert		Check oil.		or temperature.
AutoRestart	Power Loss	V	P Power Loss:
Pending		Check voltage supply.
AutoRestart	Low Line Voltage	V P [VALUE] exceeded
		limit of [LIMIT*]. Check		Check power supply if there are excessive
Pending
		voltage supply.		compressor starts occurring.
AutoRestart	High Line Voltage	V P [VALUE] exceeded
		limit of [LIMIT*]. Check
Pending
		voltage supply.
	High Discharge Temp	CMPD [VALUE]		Discharge temperature exceeded the alert
Sensor Alert		exceeded limit of		threshold. Check entering condenser water
		[LIMIT*]. Check dis-		temperature.
		charge temperature.
	High Bearing Tempera-	MTRB [VALUE]		Thrust bearing temperature exceeded the
Sensor Alert	ture	exceeded limit of		alert threshold. Check for closed valves,
		[LIMIT*]. Check thrust		improper oil level or temperatures.
		bearing temperature.
Condenser	Pump Relay Energized	CRP High Condenser		Check ambient conditions. Check con-
		Pressure [LIMIT*].		denser pressure for accuracy.
Pressure Alert		Pump energized to
		reduce pressure.
				The machine load is too small to keep the
Recycle Alert				machine on line and there have been more
	Excessive Recycle	Excessive recycle		than 5 restarts in 4 hours. Increase
	Starts	starts.		machine load, adjust hot gas bypass,
				increase RECYCLE RESTART DELTA T.

*[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.