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?
				Occupancy schedule	Automatic when	Time/Date/Month/
T153		Real Time Clock		will not be used. Chiller
	Alert		Internal clock on MBB fails		correct clock control	Day/Year not
		Hardware Failure		defaults to Local On
					restarts.	properly set.
				mode.
A154	Alarm	Serial EEPROM	Hardware failure with MBB	Chiller is unable	Manual	Main Base Board
		Hardware Failure		to run.		failure.
						Potential failure of
						MBB. Download
T155	Alert	Serial EEPROM	Configuration/storage	No Action	Manual	current operating
		Storage Failure	failure with MBB			software. Replace
						MBB if error occurs
						again.
A156	Alarm	Critical Serial EEPROM	Configuration/storage	Chiller is not allowed	Manual	Main Base Board
		Storage Failure	failure with MBB	to run.		failure.
A157	Alarm	A/D Hardware Failure	Hardware failure with	Chiller is not allowed	Manual	Main Base Board
			peripheral device	to run.		failure.
A172		Loss of Communication	MBB loses communication	Chiller is not allowed		Wiring error, faulty
	Alarm				Automatic	wiring or failed
		with EXV Board	with EXV board	to run.
						EXV board.
				4 to 20 mA
				temperature reset		Wiring error, faulty
T173	Alert	Loss of Communication	MBB loses communication	disabled. Demand	Automatic	wiring or failed
		with EMM	with EMM	Limit set to 100%. 4 to		Energy Manage-
				20 mA set point		ment Module (EMM).
				disabled.
T174	Alert	4 to 20 mA Cooling Set	If configured with EMM and	Set point function		Faulty signal
			input less than 2 mA or	disabled. Chiller	Automatic	generator, wiring
		Point Input Failure
			greater than 22 mA	controls to CSP1.		error, or faulty EMM.
T175		Loss of Communication	MBB loses communication			Wiring error, faulty
	Alert				Automatic	wiring or failed
		with the AUX Board	with AUX Board.
						AUX board.
		4 to 20 mA	If configured with EMM	Reset function		Faulty signal
T176				disabled. Chiller
	Alert	Temperature Reset	and input less than 2 mA or		Automatic	generator, wiring
				returns to normal set
		Input Failure	greater than 22 mA			error, or faulty EMM.
				point control.
				Demand limit function
T177		4 to 20 mA Demand	If configured with EMM and	disabled. Chiller		Faulty signal
	Alert		input less than 2 mA or	returns to 100%	Automatic	generator, wiring
		Limit Input Failure
			greater than 22 mA	demand limit		error, or faulty EMM.
				control.
			Pump 1 Auxiliary Contacts
			are closed when Pump 2			Wiring error, faulty
A189		Cooler Pump Auxiliary	output is energized or if	Both pump outputs
	Alarm				Manual	pump contactor
		Contact Inputs Miswired	Pump 2 Auxiliary Contacts	are turned off.
						auxiliary contacts.
			are closed when Pump 1
			output is energized.
		Cooler Pump 1 Aux	Pump 1 Auxiliary Contacts	Pump 1 turned off.		Wiring error, faulty
T190			did not close within
	Alert	Contacts Failed to Close		Pump 2 will be started	Manual	contacts on pump
			26 seconds after pump
		at Start-Up		if available.		contactor
			was started
		Cooler Pump 2 Aux	Pump 2 Auxiliary Contacts	Pump 2 turned off.		Wiring error, faulty
T191			did not close within
	Alert	Contacts Failed to Close		Pump 1 will be started	Manual	contacts on pump
			26 seconds after pump
		at Start-Up		if available.		contactor
			was started
		Cooler Pump 1 Failed	Pump 1 did not provide	Pump 1 turned off.		Wiring error, pump
T192						circuit breaker
	Alert	to Provide Flow at	flow to close flow switch	Pump 2 will be started	Manual
						tripped, contactor
		Start-Up	within 60 seconds	if available.
						failure
		Cooler Pump 2 Failed	Pump 2 did not provide	Pump 1 turned off.		Wiring error, pump
T193						circuit breaker
	Alert	to Provide Flow at	flow to close flow switch	Pump 2 will be started	Manual
						tripped, contactor
		Start-Up	within 60 seconds	if available.
						failure
		Cooler Pump 1 Aux	Pump 1 Auxiliary Contacts	Pump 2 will be started
			open for 26 seconds after	if available. Chiller		Wiring error, faulty
T194		Contacts Opened
	Alert		initially made. All	allowed to run if	Manual	contacts on pump
		During Normal
			compressors shut down.	Pump 2 successfully		contactor
		Operation
			Pump 1 turned off.	starts.
		Cooler Pump 2 Aux	Pump 2 Auxiliary Contacts	Pump 1 will be started
			open for 26 seconds after	if available. Chiller		Wiring error, faulty
T195		Contacts Opened
	Alert		initially made. All	allowed to run if	Manual	contacts on pump
		During Normal
			compressors shut down.	Pump 1 successfully		contactor
		Operation
			Pump 2 turned off.	starts.
				All compressors
				shut down. Pump 1
			Cooler flow switch contacts	turned off. Pump 2 will		Wiring error, pump
T196		Flow Lost While Pump 1		be started if available.	Manual	circuit breaker
	Alert		open for 3 seconds after
		Running		Chiller allowed to run if		tripped, contactor
			initially made
				Pump 2 successfully		failure
				starts and flow switch
				is closed.

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