Carrier AquaEdge 23XRV - Page 105

105
Table 19 — ICVC Primary and Secondary Messages and
Custom Alarm/Alert Messages with Troubleshooting Guides (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.
I. CHILLER PROTECTIVE LIMIT FAULTS (cont)
STATE
PRIMARY
MESSAGE
SECONDARY
MESSAGE
ALARM MESSAGE
PRIMARY CAUSE
ADDITIONAL
CAUSE/REMEDY
215
PROTECTIVE LIMIT
LOW DC BUS
VOLTAGE
215->Low DC Bus Voltage:
[VALUE] exceeded limit of
[LIMIT]*
Check DC BUS VOLTAGE and VFD FAULT
CODE in VFD_HIST screen.
See VFD FAULT CODES in Table 20.
See Table 5.
216
PROTECTIVE LIMIT
LINE VOLTAGE
IMBALANCE
216->Line Voltage Imbalance;
Check VFD Fault History for
Values.
Check LINE VOLTAGE and VFD FAULT
CODE in VFD_HIST screen.
See VFD FAULT CODES in Table 20.
See Table 5.
Check power distribution bus.
Check LINE VOLTAGE IMBALANCE
settings in VFD_CONF screen.
217
PROTECTIVE LIMIT
MOTOR OVERLOAD
TRIP
217->Motor Overload Trip;
Check VFD configurations
Check LOAD CURRENT and VFD FAULT
CODE in VFD_HIST screen.
See VFD FAULT CODEs in Table 20.
Check MOTOR RATED LOAD AMPS
in VFD_CONF screen.
See Table 5.
218
PROTECTIVE LIMIT
VFD RECTIFIER
OVERTEMP
218->VFD Rectifier Temp Exceeded:
Check Cooling and VFD Config.
Check VFD FAULT CODE in VFD_HIST screen.
See VFD FAULT CODES in Table 20.
See Table 5.
Check VFD refrigerant isolation valves
and solenoid valve.
Check cooling fan on bottom of VFD
power module. Configure RECTIFIER
TEMP OVERRIDE in SETUP1 screen.
219
PROTECTIVE LIMIT
VFD INVERTER
OVERTEMP
219->VFD Inverter Temp Exceeded:
Check Cooling and VFD Config.
Check VFD FAULT CODE in VFD_HIST screen.
See VFD FAULT CODES in Table 20.
See Table 5.
Check VFD refrigerant isolation valves and
solenoid valve.
Check cooling fan on bottom of VFD
power module.
Configure INVERTER TEMP OVERRIDE
in SETUP1 screen.
220
PROTECTIVE LIMIT
GROUND FAULT 220->Ground Fault Trip;
Check Motor and Current Sensors
Check GROUND FAULT CURRENT and
VFD FAULT CODE in VFD_HIST screen.
See VFD FAULT CODES in Table 20.
See Table 5.
221
PROTECTIVE LIMIT
MOTOR ROTATION
REVERSED
221->Motor Rotation Reversed:
Check Wiring from VFD to Motor
Check if discharge pressure sensor is
out of range in CONTROL TEST screen.
See Table 5.
Check resistor between CCM J3-7 and J3-8.
222
PROTECTIVE LIMIT
LINE FREQUENCY
TRIP
222->Line Frequency [VALUE]:
Check Power Supply.
Check LINE FREQUENCY and VFD FAULT
CODE in VFD_HIST screen.
See VFD FAULT CODES in Table 20.
See Table 5.
223
LOSS OF
COMMUNICATION
WITH VFD
GATEWAY
MODULE
223->Loss of SIO Comm with
VFD Gateway: Check VFG
Module and Power
Check SIO communication harness between the
Gateway and the J7 CCM connector.
Check status lights on CCM and Gateway
per Fig. 61 and 63.
224
PROTECTIVE LIMIT
VFD
COMMUNICATIONS
FAULT
224->Loss of DPI Comm with
VFD Gateway: Check VFG to
VFD Comm.
Check ribbon cable and connectors between the
Gateway and the VFD DPI Communications
Interface Board per Fig. 62 and 63.
225
PROTECTIVE LIMIT
MOTOR CURRENT
IMBALANCE
225->Motor Current Imbalance:
Check VFD Fault History for
Values.
Check LOAD CURRENT and VFD FAULT
CODE in VFD_HIST screen.
See VFD FAULT CODES in Table 20.
See Table 5.
Check power distribution bus.
Check MOTOR CURRENT IMBALANCE
settings in VFD_CONF screen.
226
PROTECTIVE LIMIT
LINE PHASE
REVERSAL
226->Line Phase Reversal:
Check Line Phases
Check VFD FAULT CODE in VFD_HIST screen.
See VFD FAULT CODES in Table 20.
227
PROTECTIVE LIMIT
OIL PRESS
SENSOR FAULT
227->Oil Pressure Delta P
[VALUE] (Pump Off): Check
Pump/Transducers
See Table 5.
Select OIL PRESSURE DELTA P in
COMPRESS screen to calibrate sensors.
Check OIL SUMP PRESSURE and OIL
PRESSURE LEAVING FILTER pressure
transducer wiring and voltage drop.
Check oil line isolation valves.