Carrier PC211 specifications Mechanism

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

Primary	Secondary	Alarm Message/Primary	Additional Cause/Remedy
Message	Message	Cause
Failure To	Starter Transi-	RUN AUX Starter Transition	Check starter for proper operation. Run
	tion Fault	Fault: Check 1CR/1M/Interlock	contact failed to close.
Start
		mechanism.
Failure To	1CR AUX Con-	1CR AUX Starter Contact	Check starter for proper operation. Start
	tact Fault	Fault: Check 1CR/1M aux. con-	contact failed to close.
Start
		tacts.
Failure To	Motor Amps Not	CA P Motor Amps Not Sensed:	Check for proper motor amps signal to
	Sensed	Check motor load signal.	SMM. Check wiring from SMM to cur-
Start			rent transformer. Check main motor cir-
			cuit breaker for trip.
	Check Refriger-	Current Refrigerant Properties	Pressures at transducers indicate
Failure To	ant Type	Abnormal — Check Selection of	another refrigerant type in Control Test.
		refrigerant type	Make sure to access the ATTACH TO
Start
			NETWORK DEVICE table after chang-
			ing refrigerant type.
	Low Oil Pressure	Low Oil Pressure [LIMIT]:	The oil pressure differential switch is
		Check oil pressure switch/	open when the compressor tried to
Failure To		pump and 2C aux.	START. Check the switch for proper
			operation. Also, check the oil pump
Start
			interlock (2C aux) in the power panel
			and the high condenser pressure
			switch.

*[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 pressure, temperature, voltage, etc., at which the control tripped.