Carrier 19XRV specifications Icvc Alarm Codes, Failure to Stop

Page 15

Table 5 — ICVC Alarm Codes

CHILLER PROTECTIVE LIMIT FAULTS

ICVC FAULT

PRIMARY

SECONDARY

PRIMARY CAUSE

ADDITIONAL CAUSE/REMEDY

STATE

MESSAGE

MESSAGE

 

 

200

PROTECTIVE LIMIT

RECTIFIER POWER

200Rectifier Power Fault:

Malfunction within VFD Power Module.

 

 

FAULT

Check VFD Status.

Call Carrier Service.

201

PROTECTIVE LIMIT

INVERTER POWER FAULT

201Inverter Power Fault:

Malfunction within VFD Power Module.

 

 

 

Check VFD Status.

Call Carrier Service.

202

PROTECTIVE LIMIT

MOTOR AMPS NOT

202Motor Amps Not

Check main circuit breaker for trip. Increase

 

 

SENSED

Sensed — Average Load

Current % Imbalance in VFD_CONF screen.

 

 

 

Current [VALUE].

 

203

FAILURE TO START

MOTOR ACCELERATION

203Motor Acceleration Fault

Check that inlet guide vanes are fully closed at

 

 

FAULT

— Average Load Current

start-up.

 

 

 

[VALUE].

Check Motor Rated Load Amps in VFD_CONF

 

 

 

 

screen. Reduce unit pressure if possible.

204

FAILURE TO STOP

VFD SHUTDOWN FAULT

204VFD Shutdown Fault:

VFD Circuit Board malfunction.

 

 

 

Check Inverter Power Unit.

Call Carrier Service.

205

PROTECTIVE LIMIT

HIGH DC BUS VOLTAGE

205High DC Bus Voltage:

Verify phase to phase and phase to ground line

 

 

 

[VALUE] exceeded limit of

voltage. Monitor AC line for high transient volt-

 

 

 

[LIMIT]*.

age conditions. VFD Circuit Board malfunction.

 

 

 

 

Call Carrier Service.

206

PROTECTIVE LIMIT

VFD FAULT

206VFD Fault Code:

See VFD Fault Code description and corrective

 

 

 

[VALUE]; Check VFD Fault

action.

 

 

 

Code List.

 

207

PROTECTIVE LIMIT

HIGH CONDENSER

207High Cond Pressure

Check Compressor Discharge High Pressure

 

 

PRESSURE

trip. [VALUE] exceeded Switch

switch wiring and accuracy.

 

 

 

Trippoint.

Check for high condenser water temperatures,

 

 

 

 

low water flow, fouled tubes.

 

 

 

 

Check for division plate/gasket bypass.

 

 

 

 

Check for noncondensables in refrigerant.

208

PROTECTIVE LIMIT

EXCESSIVE MOTOR

208Percent Load Current

Check Motor Rated Load Amps in VFD_CONF

 

 

AMPS

[VALUE] exceeded limit of

screen. Percent Load Current > 110%.

 

 

 

[LIMIT]*.

Check Motor Rated Load Amps setting.

209

PROTECTIVE LIMIT

LINE CURRENT

209Line Current Imbal-

Check phase to phase and phase to ground

 

 

IMBALANCE

ance: Check VFD Fault His-

power distribution bus voltage.

 

 

 

tory for Values.

Check Line Current % Imbalance in VFD_CONF

 

 

 

 

screen. Consult power company.

210

PROTECTIVE LIMIT

LINE VOLTAGE DROPOUT

210Single Cycle Line Volt-

Temporary loss of voltage. Disable Single Cycle

 

 

 

age Dropout.

Dropout in VFD_CONF screen.

211

PROTECTIVE LIMIT

HIGH LINE VOLTAGE

211High Percent Line Volt-

Check phase to phase and phase to ground dis-

 

 

 

age [VALUE].

tribution bus voltage. Consult power company.

212

PROTECTIVE LIMIT

LOW LINE VOLTAGE

212Low Percent Line Volt-

Check phase to phase and phase to ground dis-

 

 

 

age [VALUE].

tribution bus voltage. Consult power company.

213

PROTECTIVE LIMIT

VFD MODULE RESET

213VFD Module Power-On

Temporary loss of VFD control voltage. Check

 

 

 

Reset When Running.

VFD control power breaker, transformer and

 

 

 

 

fuses.

214

PROTECTIVE LIMIT

POWER LOSS

214Control Power Loss

Check phase to phase and phase to ground dis-

 

 

 

When Running.

tribution bus voltage.

 

 

 

 

Check VFD fuses.

 

 

 

 

Check 24 vac power supply to ICVC.

 

 

 

 

Consult power company.

215

PROTECTIVE LIMIT

LOW DC BUS VOLTAGE

215Low DC Bus Voltage:

Verify phase-to-phase and phase-to-ground line

 

 

 

[VALUE] exceeded limit of

voltage. VFD Circuit Board malfunction.

 

 

 

[LIMIT]*.

Call Carrier Service.

216

PROTECTIVE LIMIT

LINE VOLTAGE

216Line Voltage Imbal-

Check phase-to-phase and phase-to-ground

 

 

IMBALANCE

ance. Check VFD Fault His-

distribution bus voltage. Increase Line Voltage

 

 

 

tory for Values.

% Imbalance in VFD_CONF screen.

217

PROTECTIVE LIMIT

MOTOR OVERLOAD TRIP

217Motor Overload Trip;

Any phase current > 106% Rated Load Amps.

 

 

 

Check VFD configurations.

Can result from significant load side current

 

 

 

 

imbalance when running at full load.

 

 

 

 

Check entering condenser water temperature

 

 

 

 

and water flow rate.

 

 

 

 

Check Motor Rated Load Amps in VFD_CONF

 

 

 

 

screen.

218

PROTECTIVE LIMIT

VFD RECTIFIER

218VFD Rectifier Temp

Check that VFD refrigerant isolation valves are

 

 

OVERTEMP

Exceeded: Check Cooling and

open.

 

 

 

VFD Config.

Check VFD refrigerant cooling solenoid and

 

 

 

 

refrigerant strainer.

 

 

 

 

Check for proper VFD cooling fan operation and

 

 

 

 

blockage.

219

PROTECTIVE LIMIT

VFD INVERTER

219VFD Inverter Temp

Check that VFD refrigerant isolation valves are

 

 

OVERTEMP

Exceeded: Check Cooling and

open.

 

 

 

VFD Config.

Check VFD refrigerant cooling solenoid and

 

 

 

 

refrigerant strainer.

 

 

 

 

Check for proper VFD cooling fan operation and

 

 

 

 

blockage.

*[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.

NOTE: ICVC Alarms 212-226 are declared as a result of VFD Faults.

15

Image 15 Contents
Start-Up and Service Instructions Contents A19-1831 A19-1842A19-1814 A19 1832A19-1833 A19-1834 Wire LugsVFD Configurations Parameter Default ValueA19 1846 TB1 I/O Terminal Designations A19-1921A19-1835 A19-18361815 Link Drive Status Indicator DescriptionsName Color State Description EnetA19-1925 A19-1844Alert Icvc Alert CodesMessage PrestartLimited RUN CapacityLOW OIL FaultPrimary Secondary Primary Cause Additional CAUSE/REMEDY Sensor AlertSystem Alert LossCommunication VFD Speed AlertFailure to Stop Icvc Alarm CodesProtective Limit 236 233234 235Unused State UnusedVFD Gateway Sensor FaultHist Screen None Fault Type Description Corrective Action On VFDVFD Code124 Hist ScreenNone 113Meter Lead Meter Reading Diode ChecksA19-1816Fig Removing Enclosure A19-1831Fig Open Access DoorFrames 6 and 7 Power Terminal Block A19-1814Fig Check DC Bus TerminalsA19-1837 A19-1838A19-1817A19-1818 A19-1819 Comm CardTB4 Dist Side A19-1847CR1 EA1 Line CR6 CB1 TB4 CB2 FU1-FU3 PT1 Secondary Side Toward DoorFrame 6 Parts A19-1848A19-1946 Appendix a Wiring Schematics Chiller Control SchematicUPC A19-1947Hgbp RHSA19-1966 Shld A19-1967A48-8579 A48-8578A48 8580 Appendix B Optional Bacnet Communications WiringTable a SW3 Protocol Switch Settings For MS/TP Table B Baud Selection TableA48-8582 Table C MS/TP Wiring RecommendationsWiring Specifications Recommended Vendors and Part Numbers RmcorpCMP Run Table E LED Status IndicatorsRUN LED Error LED Status LED StatusObject ID Object Name CHW Page Copyright 2011 Carrier Corporation