Carrier PC211 specifications Start, Failure To

Table 10F — Start-Up Failures: This is an alarm condition. A manual reset is required to clear.

Primary	Secondary	Alarm Message/Primary	Additional Cause/Remedy
Message	Message	Cause
Failure To	Low Oil Pressure	OILPD [VALUE] exceeded limit	Check for closed oil supply valves.
		of [LIMIT]*. Check oil pump sys-	Check oil filter. Check for low oil tem-
Start
		tem.	perature. Check transducer accuracy.
	Oil Press Sensor	OILPD [VALUE] exceeded limit	Check for excessive refrigerant in oil
Failure To	Fault	of [LIMIT]*. Check oil pressure	sump. Run oil pump manually for 5 min-
		sensor.	utes. Check transducer calibration.
Start			Check cooler pressure transducer cali-
			bration. Check wiring. Replace trans-
			ducer if necessary.
Failure To	Low Chilled	EVFL Evap Flow Fault: Check	Check wiring to flow switch. Check
	Water Flow	water pump/flow switch.	through Control Test for proper switch
Start
			operation.
Failure To	Low Condenser	CDFL Cond. Flow Fault: Check	Check wiring to flow switch. Check
	Water Flow	water pump/flow switch.	through Control Test for proper switch
Start
			operation.
Failure To	Starter Fault	STR FLT Starter Fault: Check	A starter protective device has faulted.
		Starter for Fault Source.	Check starter for ground fault, voltage
Start
			trip, temperature trip, etc.
Failure To	Starter Overload	STR FLT Starter Overload	Reset overloads before restart.
	Trip	Trip: Check amps calibration/
Start
		reset overload.
	Line Voltage	V P Single-Cycle Dropout	Check voltage supply. Check trans-
Failure To	Dropout	Detected: Check voltage sup-	formers for supply. Check with utility if
		ply.	voltage supply is erratic. Monitor must
Start			be installed to confirm consistent, sin-
			gle-cycle dropouts. Check low oil pres-
			sure switch.
	High Condenser	High Condenser Pressure	Check for proper design condenser flow
Failure To	Pressure	[LIMIT]: Check switch 2C aux,	and temperature. Check condenser
		and water temperature/flow.	approach. Check 2C auxiliary contacts
Start
			on oil sump starter. Check high pres-
			sure switch.
Failure To	Excess Accelera-	CA P Excess Acceleration:	Check that guide vanes are closed at
	tion Time	Check guide vane closure at	start-up. Check starter for proper opera-
Start
		start-up.	tion. Reduce unit pressure if possible.