Carrier 30RAP010-060 specifications Alarm and Alert Codes cont

Table 42 — Alarm and Alert Codes (cont)

ALARM/	ALARM		WHY WAS THIS	ACTION TAKEN	RESET	PROBABLE
ALERT	OR	DESCRIPTION	ALARM
				BY CONTROL	METHOD	CAUSE
CODE	ALERT		GENERATED?
				All compressors shut
				down. Pump 2 turned
			Cooler flow switch contacts	off. Pump 1 will be		Wiring error, pump
T197		Flow Lost While Pump 2		started if available.	Manual	circuit breaker
	Alert		open for 3 seconds after
		Running		Chiller allowed to run if		tripped, contactor
			initially made
				Pump 1 successfully		failure
				starts and flow switch
				is closed.
T198		Cooler Pump 1 Aux	Pump 1 Auxiliary Contacts	Chiller not allowed to	Automatic when	Wiring error, faulty
	Alert	Contacts Closed While	closed for 26 seconds			pump contactor
				start	aux contacts open
		Pump Off	when pump state is off			(welded contacts)
T199		Cooler Pump 2 Aux	Pump 2 Auxiliary Contacts	Chiller not allowed to	Automatic when	Wiring error, faulty
	Alert	Contacts Closed While	closed for 26 seconds			pump contactor
				start	aux contacts open
		Pump Off	when pump state is off			(welded contacts)
			Cooler flow switch contacts	Chiller not allowed to		Wiring error, pump
			failed to close within
T200		Cooler Flow/Interlock	1 minute (if cooler pump	start. For models with		circuit breaker
	Alert	Contacts Failed to Close	control is enabled) or	dual pumps, the	Manual	tripped, contactor
		at Start-Up	within 5 minutes (if cooler	second pump will be		failure, faulty flow
			pump control is not	started if available		switch or interlock
			enabled) after start-up
		Cooler Flow/Interlock		All compressors shut		Cooler pump failure,
			Flow switch opens for at	down. For models with		faulty flow switch or
A201		Contacts Opened
	Alarm		least 3 seconds after	dual pumps, the	Manual	interlock, pump
		During Normal
			being initially closed	second pump will be		circuit breaker
		Operation
				started if available		tripped
		Cooler Pump Interlock	If configured for cooler
A202			pump control and flow		Automatic when	Wiring error, faulty
	Alarm	Closed When Pump is	switch input is closed for	Chiller shut down		pump contactor
					aux contacts open
		Off	5 minutes while pump			(welded contacts)
			output(s) are off
						Wiring error, faulty
			Master chiller MBB	Dual chiller control		wiring, failed Slave
T203		Loss of Communication		disabled. Chiller runs		chiller MBB module,
	Alert		loses communication		Automatic
		with Slave Chiller		as a stand-alone		power loss at slave
			with slave chiller MBB
				machine.		chiller, wrong slave
						address.
				Dual chiller control		Wiring error, faulty
			Slave chiller MBB loses			wiring, failed master
T204		Loss of Communication		disabled. Chiller runs
	Alert		communication with		Automatic	chiller MBB module,
		with Master Chiller		as a stand-alone
			master chiller MBB			power loss at Master
				machine
						chiller.
						CCN Address for
						both chillers is the
			Master and slave chiller	Dual chiller routine		same. Must be
T205		Master and Slave Chiller		disabled. Master/slave		different. Check
	Alert		have the same CCN		Automatic
		with Same Address		run as stand-alone		CCN.A under the
			address (CCN.A)
				chillers.		OPT2 sub-mode in
						Configuration at both
						chillers.
			LWT read is greater than			Building load greater
						than unit capacity,
			LCW Alert Limit, Total
T206		High Leaving Chilled		Alert only. No action		low water/brine flow
	Alert		capacity is 100% and LWT		Automatic
		Water Temperature		taken.		or compressor fault.
			is greater than LWT
						Check for other
			reading one minute ago
						alarms/alerts.
				Chiller shutdown	Both EWT and LWT
					must be at least 6 F
				without going through
					(3.3 C) above Brine
				pumpdown. Cooler
A207		Cooler Freeze	Cooler EWT or LWT is less		Freeze point	Faulty thermistor,
	Alarm			pump continues to
		Protection	than Brine Freeze (BR.FZ)		(BR.FZ).	low water flow.
				run a minimum of
					Automatic for first,
				5 minutes (if control
					Manual reset thereaf-
				enabled).
					ter.
			Cooler EWT is less than	Chiller shutdown.		Faulty cooler pump,
A208	Alarm	EWT or LWT	LWT by 3° F (1.7° C) for			low water flow,
				Cooler pump shut off	Manual
		Thermistor failure	1 minute after a circuit is			plugged fluid
				(if control enabled).
			started			strainer.
			Pump 1 Service
			Countdown (P.1.DN)
T300		Cooler Pump 1	expired. Complete pump 1			Routine pump
	Alert	Scheduled	maintenance and enter	None	Automatic	maintenance
		Maintenance Due	'YES' for Pump 1			required
			Maintenance Done
			(P.1.MN) item.
			Pump 2 Service
			Countdown (P.2.DN)
T301		Cooler Pump 2	expired. Complete pump 2			Routine pump
	Alert	Scheduled	maintenance and	None	Automatic	maintenance
		Maintenance Due	enter 'YES' for Pump 1			required
			Maintenance Done
			(P.2.MN) item.

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