Carrier 19XRV specifications VFD Gateway, Sensor Fault

Table 5 — ICVC Alarm Codes (cont)

CHILLER PROTECTIVE LIMIT FAULTS (cont)

ICVC FAULT	PRIMARY	SECONDARY	PRIMARY CAUSE	ADDITIONAL CAUSE/REMEDY
STATE	MESSAGE	MESSAGE
259	PROTECTIVE LIMIT	CCN OVERRIDE STOP	259→CCN Emergency/	CCN has signaled the chiller to stop.This fault
			Override Stop.	must be manually reset from the default screen
				of the ICVC.
282	PROTECTIVE LIMIT	INVALID VFD CONFIG	282→Line Frequency	LINE FREQUENCY in POWER screen must be
			[VALUE] Exceeded Configura-	maintained between 45-52 Hz if LINE
			tion Range.	FREQ=60Hz? is set to NO(50 Hz). LINE FRE-
				QUENCY must be maintained between
				55-62 Hz if LINE FREQ=60Hz? is set to YES
				(60 Hz).
				Check high pressure switch and connections to
				TB4-24 and TB4-25.
283	PROTECTIVE LIMIT	INVALID VFD CONFIG	283→Compressor 100%	COMPRESSOR 100% SPEED in VFD_CONF
			Speed Config Ranges: 50=Hz	screen must be set between 45-52 Hz if LINE
			45-52; 60 Hz=55-62.	FREQ=60Hz? is set to NO(50 Hz). COMPRES-
				SOR 100% SPEED must be set between
				55-62 Hz if LINE FREQ=60Hz? is set to YES
				(60 Hz).
284	VFD GATEWAY	COMPATIBILITY	284→VFD Gateway Compati-	VFD Gateway and VFD software versions are
		CONFLICT	bility Conflict: Check VFG/	not compatible.
			VFD Versions.	Call Carrier Service.
285	VFD GATEWAY	COMPATIBILITY	285→VFD Gateway Compati-	VFD Gateway and ICVC software versions are
		CONFLICT	bility Conflict: Check VFG/	not compatible.
			ICVC Versions.	Call Carrier Service.
286	PROTECTIVE LIMIT	INVERTER	286→Inverter Overcurrent	Check for high entering water temperature or
		OVERCURRENT	Fault: Check VFD Status.	low condenser water flow.
				Check current settings in VFD_CONF screen.

*[LIMIT] is shown on the ICVC 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.

OUT-OF-RANGE SENSOR

ICVC FAULT	PRIMARY	SECONDARY	PRIMARY CAUSE	ADDITIONAL CAUSE/REMEDY
STATE	MESSAGE	MESSAGE
260	SENSOR FAULT	LEAVING CHILLED WATER	260→Sensor Fault: Check	Check sensor resistance or voltage drop.
			Leaving Chilled Water Sensor.	Check for proper wiring.
				Check for disconnected or shorted wiring.
261	SENSOR FAULT	ENTERING CHILLED	261→Sensor Fault: Check	Check sensor resistance or voltage drop.
		WATER	Entering Chilled Water	Check for proper wiring.
			Sensor.	Check for disconnected or shorted wiring.
262	SENSOR FAULT	CONDENSER PRESSURE	262→Sensor Fault: Check	Check sensor wiring.
			Condenser Pressure Sensor.	Check for disconnected or shorted wiring.
				Check for condensation in transducer
				connector.
263	SENSOR FAULT	EVAPORATOR	263→Sensor Fault: Check	Check sensor wiring.
		PRESSURE	Evaporator Pressure Sensor.	Check for disconnected or shorted wiring.
				Check for condensation in transducer
				connector.
264	SENSOR FAULT	COMPRESSOR BEARING	264→Sensor Fault: Check	Check sensor resistance or voltage drop.
		TEMP	Comp Thrust Brg Temp Sensor.	Check for proper wiring.
				Check for disconnected or shorted wiring.
265	SENSOR FAULT	COMPRESSOR MOTOR	265→Sensor Fault: Check	Check sensor resistance or voltage drop.
		TEMP	Comp Motor Winding Temp	Check for proper wiring.
			Sensor.	Check for disconnected or shorted wiring.
266	SENSOR FAULT	COMP DISCHARGE TEMP	266→Sensor Fault: Check	Check sensor resistance or voltage drop.
			Comp Discharge Temp Sensor.	Check for proper wiring.
				Check for disconnected or shorted wiring.
267	SENSOR FAULT	OIL SUMP TEMP	267→Sensor Fault: Check Oil	Check sensor resistance or voltage drop.
			Sump Temp Sensor.	Check for proper wiring.
				Check for disconnected or shorted wiring.
268	SENSOR FAULT	COMP OIL PRESS DIFF	268→Sensor Fault: Check Oil	Check sensor resistance or voltage drop.
			Pump Delta P Sensor.	Check for proper wiring.
				Check for disconnected or shorted wiring.
269	SENSOR FAULT	CHILLED WATER FLOW	269→Sensor Fault: Check	Check sensor wiring and accuracy.
			Chilled Water Delta P Sensor.	Check for disconnected or shorted wiring.
				If pressure transducers are not installed,
				check for presence of resistors and jumpers
				on lower CCM terminal block J3.
270	SENSOR FAULT	COND WATER FLOW	270→Sensor Fault: Check	Check sensor wiring and accuracy.
			Cond Water Delta P Sensor.	Check for disconnected or shorted wiring.
				If pressure transducers are not installed,
				check for presence of resistors and jumpers
				on lower CCM terminal block J3.
271	SENSOR FAULT	EVAP SATURATION TEMP	271→Sensor Fault: Check	Check sensor resistance or voltage drop.
			Evap Saturation Temp Sensor.	Check for proper wiring.
				Check for disconnected or shorted wiring.

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