Carrier 19XR,XRV Hermetic Centrifugal Liquid Chillers User Manual

Page 81

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81

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

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