Carrier Comprehensive Guide to Chiller Alarm Codes and Troubleshooting

Table 11 — CVC/ICVC Primary and Secondary Messages and

Custom Alarm/Alert Messages with Troubleshooting Guides (cont)

I. CHILLER PROTECT LIMIT FAULTS

STATE	PRIMARY	SECONDARY	ALARM MESSAGE	ADDITIONAL
	MESSAGE	MESSAGE	PRIMARY CAUSE	CAUSE/REMEDY
200	PROTECTIVE	1M CONTACT	200->1M Aux Contact Fault;
	LIMIT	FAULT	Check 1M Contactor and
			Aux
201	PROTECTIVE	2M CONTACT	201->2M Aux Contact Fault;
	LIMIT	FAULT	Check 2M Contactor and
			Aux
202	PROTECTIVE	MOTOR AMPS	202->Motor Amps Not	Check for wiring of current transformers to the ISM.
	LIMIT	NOT SENSED	Sensed — Average Line	Check main circuit breaker for trip.
			Current [VALUE]
203	FAILURE TO	EXCESS	203->Motor Acceleration	Check to be sure that the inlet guide vanes are closed
	START	ACCELERATION	Fault — Average Line	at start-up.
		TIME	Current [VALUE]	Check starter for proper operation.
				Reduce unit pressure if possible.
204	FAILURE TO	1M/2M CONTACT	204->1M/2M Aux Contact
	STOP	FAULT	Stop Fault; Check 1M/2M
			Contactors and Aux
205	FAILURE TO	MOTOR AMPS	205->Motor Amps When
	STOP	WHEN STOPPED	Stopped — Average Line
			Current [VALUE]
206	PROTECTIVE	STARTER	206->Starter Fault Cutout;	For Benshaw Inc. RediStart MICRO™ starters, view
	LIMIT	FAULT	Check Optional Starter	fault code at RediStart MICRO display. Press FAULT
			Contacts	RESET to clear faults.
207	PROTECTIVE	HIGH CONDENSER	207->High Cond Pressure	Check for high condenser water temperatures, low
	LIMIT	PRESSURE	cutout. [VALUE] exceeded	water flow, fouled tubes.
			limit of [LIMIT]*.	Check for division plate/gasket bypass.
				Check for noncondensables.
				Check transducer wiring and accuracy.
				If [VALUE] is less than Limit then check the
				1CR Starting Circuit.
208	PROTECTIVE	EXCESSIVE	208->Compressor Motor	Check motor current for proper calibration.
	LIMIT	MOTOR AMPS	Amps [VALUE] exceeded	Check inlet guide vane actuator.
			limit of [LIMIT]*.
209	PROTECTIVE	LINE PHASE	209->Line Phase Loss;	Check transformers to ISM.
	LIMIT	LOSS	Check ISM Fault History to	Check power distribution bus.
			Identify Phase	Consult power company.
210	PROTECTIVE	LINE VOLTAGE	210->Single Cycle Line
	LIMIT	DROPOUT	Voltage Dropout
211	PROTECTIVE	HIGH LINE	211->High Average Line	Check transformers to ISM.
	LIMIT	VOLTAGE	Voltage [VALUE]	Check distribution bus.
				Consult power company.
212	PROTECTIVE	LOW LINE	212->Low Average Line	Check transformers to ISM.
	LIMIT	VOLTAGE	Voltage [VALUE]	Check distribution bus.
				Consult power company.
213	PROTECTIVE	STARTER MODULE	213->Starter Module Power-
	LIMIT	RESET	On Reset When Running
214	PROTECTIVE	POWER LOSS	214->Power Loss:	Check transformers to ISM.
	LIMIT		Check voltage supply	Check distribution bus.
				Consult power company.
215	PROTECTIVE	LINE CURRENT	215->Line Current	Check upstream equipment.
	LIMIT	IMBALANCE	Imbalance; Check ISM Fault
			History to Identify Phase
216	PROTECTIVE	LINE VOLTAGE	216->Line Voltage	Check upstream equipment.
	LIMIT	IMBALANCE	Imbalance; Check ISM Fault
			History to Identify Phase
217	PROTECTIVE	MOTOR OVERLOAD	217->Motor Overload Trip;	Check ISM configuration.
	LIMIT	TRIP	Check ISM configurations
218	PROTECTIVE	MOTOR LOCKED	218->Motor Locked Rotor	Check ISM configuration.
	LIMIT	ROTOR TRIP	Amps exceeded; Check
			Motor & ISM Config
219	PROTECTIVE	STARTER LOCK	219->Starter Locked Rotor	Check ISM configuration.
	LIMIT	ROTOR TRIP	Amps Rating exceeded
220	PROTECTIVE	GROUND FAULT	220->Ground Fault Trip;
	LIMIT		Check Motor and Current
			Transformers
221	PROTECTIVE	PHASE REVERSAL	221->Phase Reversal Trip;
	LIMIT	TRIP	Check Power Supply
222	PROTECTIVE	LINE FREQUENCY	222->Line Frequency —
	LIMIT	TRIP	[VALUE] exceeded limit of
			[LIMIT]. Check Power
			Supply.
223	PROTECTIVE	STARTER MODULE	223->Starter Module
	LIMIT	FAILURE	Hardware Failure

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