Carrier 19XRV Air Conditioner User Manual


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Table 5 — ICVC Alarm Codes (cont)
CHILLER PROTECTIVE LIMIT FAULTS (cont)
*[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.
OUT-OF-RANGE SENSOR
ICVC FAULT
STATE
PRIMARY
MESSAGE
SECONDARY
MESSAGE
PRIMARY CAUSE ADDITIONAL CAUSE/REMEDY
259 PROTECTIVE LIMIT CCN OVERRIDE STOP 259CCN Emergency/
Override Stop.
CCN has signaled the chiller to stop.This fault
must be manually reset from the default screen
of the ICVC.
282 PROTECTIVE LIMIT INVALID VFD CONFIG 282Line Frequency
[VALUE] Exceeded Configura-
tion Range.
LINE FREQUENCY in POWER screen must be
maintained between 45-52 Hz if LINE
FREQ=60Hz? is set to NO(50 Hz). LINE FRE-
QUENCY must be maintained between
55-62 Hz if LINE FREQ=60Hz? is set to YES
(60 Hz).
Check high pressure switch and connections to
TB4-24 and TB4-25.
283 PROTECTIVE LIMIT INVALID VFD CONFIG 283Compressor 100%
Speed Config Ranges: 50=Hz
45-52; 60 Hz=55-62.
COMPRESSOR 100% SPEED in VFD_CONF
screen must be set between 45-52 Hz if LINE
FREQ=60Hz? is set to NO(50 Hz). COMPRES-
SOR 100% SPEED must be set between
55-62 Hz if LINE FREQ=60Hz? is set to YES
(60 Hz).
284VFD GATEWAY COMPATIBILITY
CONFLICT
284VFD Gateway Compati-
bility Conflict: Check VFG/
VFD Versions.
VFD Gateway and VFD software versions are
not compatible.
Call Carrier Service.
285VFD GATEWAY COMPATIBILITY
CONFLICT
285VFD Gateway Compati-
bility Conflict: Check VFG/
ICVC Versions.
VFD Gateway and ICVC software versions are
not compatible.
Call Carrier Service.
286 PROTECTIVE LIMIT INVERTER
OVERCURRENT
286Inverter Overcurrent
Fault: Check VFD Status.
Check for high entering water temperature or
low condenser water flow.
Check current settings in VFD_CONF screen.
ICVC FAULT
STATE
PRIMARY
MESSAGE
SECONDARY
MESSAGE
PRIMARY CAUSE ADDITIONAL CAUSE/REMEDY
260 SENSOR FAULT LEAVING CHILLED WATER 260Sensor Fault: Check
Leaving Chilled Water Sensor.
Check sensor resistance or voltage drop.
Check for proper wiring.
Check for disconnected or shorted wiring.
261 SENSOR FAULT ENTERING CHILLED
WATER
261Sensor Fault: Check
Entering Chilled Water
Sensor.
Check sensor resistance or voltage drop.
Check for proper wiring.
Check for disconnected or shorted wiring.
262 SENSOR FAULT CONDENSER PRESSURE 262Sensor Fault: Check
Condenser Pressure Sensor.
Check sensor wiring.
Check for disconnected or shorted wiring.
Check for condensation in transducer
connector.
263 SENSOR FAULT EVAPORATOR
PRESSURE
263Sensor Fault: Check
Evaporator Pressure Sensor.
Check sensor wiring.
Check for disconnected or shorted wiring.
Check for condensation in transducer
connector.
264 SENSOR FAULT COMPRESSOR BEARING
TEMP
264Sensor Fault: Check
Comp Thrust Brg Temp Sensor.
Check sensor resistance or voltage drop.
Check for proper wiring.
Check for disconnected or shorted wiring.
265 SENSOR FAULT COMPRESSOR MOTOR
TEMP
265Sensor Fault: Check
Comp Motor Winding Temp
Sensor.
Check sensor resistance or voltage drop.
Check for proper wiring.
Check for disconnected or shorted wiring.
266 SENSOR FAULT COMP DISCHARGE TEMP 266Sensor Fault: Check
Comp Discharge Temp Sensor.
Check sensor resistance or voltage drop.
Check for proper wiring.
Check for disconnected or shorted wiring.
267 SENSOR FAULT OIL SUMP TEMP 267Sensor Fault: Check Oil
Sump Temp Sensor.
Check sensor resistance or voltage drop.
Check for proper wiring.
Check for disconnected or shorted wiring.
268 SENSOR FAULT COMP OIL PRESS DIFF 268Sensor Fault: Check Oil
Pump Delta P Sensor.
Check sensor resistance or voltage drop.
Check for proper wiring.
Check for disconnected or shorted wiring.
269 SENSOR FAULT CHILLED WATER FLOW 269Sensor Fault: Check
Chilled Water Delta P Sensor.
Check sensor wiring and accuracy.
Check for disconnected or shorted wiring.
If pressure transducers are not installed,
check for presence of resistors and jumpers
on lower CCM terminal block J3.
270 SENSOR FAULT COND WATER FLOW 270Sensor Fault: Check
Cond Water Delta P Sensor.
Check sensor wiring and accuracy.
Check for disconnected or shorted wiring.
If pressure transducers are not installed,
check for presence of resistors and jumpers
on lower CCM terminal block J3.
271 SENSOR FAULT EVAP SATURATION TEMP 271Sensor Fault: Check
Evap Saturation Temp Sensor.
Check sensor resistance or voltage drop.
Check for proper wiring.
Check for disconnected or shorted wiring.
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