Carrier 23XL, Start-Up, Operation And Maintenance Instructions Manual

Page: 82 / 116

82
Table 9 — CVC Primary and Secondary Messages and
Custom Alarm/Alert Messages with Troubleshooting Guides (cont)
I. CHILLER PROTECT LIMIT FAULTS
*[LIMIT] is shown on the CVC 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.
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 Cur-
rent [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
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.
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:
Loss When Running 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
216
PROTECTIVE
LIMIT LINE VOLTAGE
IMBALANCE 216->Line Voltage
Imbalance; Check ISM Fault
History to Identify Phase
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