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Table 11 — CVC/ICVC Primary and Secondary Messages and
Custom Alarm/Alert Messages with Troubleshooting Guides (cont)
I. CHILLER PROTECT LIMIT FAULTS
STATE
PRIMARY
MESSAGE
SECONDARY
MESSAGE
ALARM MESSAGE
PRIMARY CAUSE
ADDITIONAL
CAUSE/REMEDY
200 PROTECTIVE
LIMIT
1M CONTACT
FAULT
200->1M Aux Contact Fault;
Check 1M Contactor and
Aux
201 PROTECTIVE
LIMIT
2M CONTACT
FAULT
201->2M Aux Contact Fault;
Check 2M Contactor and
Aux
202 PROTECTIVE
LIMIT
MOTOR AMPS
NOT SENSED
202->Motor Amps Not
Sensed — Average Line
Current [VALUE]
Check for wiring of current transformers to the ISM.
Check main circuit breaker for trip.
203 FAILURE TO
START
EXCESS
ACCELERATION
TIME
203->Motor Acceleration
Fault — Average Line
Current [VALUE]
Check to be sure that the inlet guide vanes are closed
at start-up.
Check starter for proper operation.
Reduce unit pressure if possible.
204 FAILURE TO
STOP
1M/2M CONTACT
FAULT
204->1M/2M Aux Contact
Stop Fault; Check 1M/2M
Contactors and Aux
205 FAILURE TO
STOP
MOTOR AMPS
WHEN STOPPED
205->Motor Amps When
Stopped — Average Line
Current [VALUE]
206 PROTECTIVE
LIMIT
STARTER
FAULT
206->Starter Fault Cutout;
Check Optional Starter
Contacts
For Benshaw Inc. RediStart MICRO™ starters, view
fault code at RediStart MICRO display. Press FAULT
RESET to clear faults.
207 PROTECTIVE
LIMIT
HIGH CONDENSER
PRESSURE
207->High Cond Pressure
cutout. [VALUE] exceeded
limit of [LIMIT]*.
Check for high condenser water temperatures, low
water flow, fouled tubes.
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
LIMIT
EXCESSIVE
MOTOR AMPS
208->Compressor Motor
Amps [VALUE] exceeded
limit of [LIMIT]*.
Check motor current for proper calibration.
Check inlet guide vane actuator.
209 PROTECTIVE
LIMIT
LINE PHASE
LOSS
209->Line Phase Loss;
Check ISM Fault History to
Identify Phase
Check transformers to ISM.
Check power distribution bus.
Consult power company.
210 PROTECTIVE
LIMIT
LINE VOLTAGE
DROPOUT
210->Single Cycle Line
Voltage Dropout
211 PROTECTIVE
LIMIT
HIGH LINE
VOLTAGE
211->High Average Line
Voltage [VALUE]
Check transformers to ISM.
Check distribution bus.
Consult power company.
212 PROTECTIVE
LIMIT
LOW LINE
VOLTAGE
212->Low Average Line
Voltage [VALUE]
Check transformers to ISM.
Check distribution bus.
Consult power company.
213 PROTECTIVE
LIMIT
STARTER MODULE
RESET
213->Starter Module Power-
On Reset When Running
214 PROTECTIVE
LIMIT
POWER LOSS 214->Power Loss:
Check voltage supply
Check transformers to ISM.
Check distribution bus.
Consult power company.
215 PROTECTIVE
LIMIT
LINE CURRENT
IMBALANCE
215->Line Current
Imbalance; Check ISM Fault
History to Identify Phase
Check upstream equipment.
216 PROTECTIVE
LIMIT
LINE VOLTAGE
IMBALANCE
216->Line Voltage
Imbalance; Check ISM Fault
History to Identify Phase
Check upstream equipment.
217 PROTECTIVE
LIMIT
MOTOR OVERLOAD
TRIP
217->Motor Overload Trip;
Check ISM configurations
Check ISM configuration.
218 PROTECTIVE
LIMIT
MOTOR LOCKED
ROTOR TRIP
218->Motor Locked Rotor
Amps exceeded; Check
Motor & ISM Config
Check ISM configuration.
219 PROTECTIVE
LIMIT
STARTER LOCK
ROTOR TRIP
219->Starter Locked Rotor
Amps Rating exceeded
Check ISM configuration.
220 PROTECTIVE
LIMIT
GROUND FAULT 220->Ground Fault Trip;
Check Motor and Current
Transformers
221 PROTECTIVE
LIMIT
PHASE REVERSAL
TRIP
221->Phase Reversal Trip;
Check Power Supply
222 PROTECTIVE
LIMIT
LINE FREQUENCY
TRIP
222->Line Frequency —
[VALUE] exceeded limit of
[LIMIT]. Check Power
Supply.
223 PROTECTIVE
LIMIT
STARTER MODULE
FAILURE
223->Starter Module
Hardware Failure