Carrier AquaEdge 23XRV Start-Up, Operation And Maintenance Instructions Manual page 105

High-efficiency variable speed screw chiller with greenspeed intelligence and pic iii controls 50/60 hz hfc-134a
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Custom Alarm/Alert Messages with Troubleshooting Guides (cont)
I. CHILLER PROTECTIVE LIMIT FAULTS (cont)
PRIMARY
STATE
MESSAGE
215
PROTECTIVE LIMIT
216
PROTECTIVE LIMIT
PROTECTIVE LIMIT
217
218
PROTECTIVE LIMIT
219
PROTECTIVE LIMIT
PROTECTIVE LIMIT
220
221
PROTECTIVE LIMIT
PROTECTIVE LIMIT
222
LOSS OF
223
COMMUNICATION
PROTECTIVE LIMIT
224
225
PROTECTIVE LIMIT
226
PROTECTIVE LIMIT
PROTECTIVE LIMIT
227
*[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.
Table 19 — ICVC Primary and Secondary Messages and
SECONDARY
MESSAGE
LOW DC BUS
215->Low DC Bus Voltage:
VOLTAGE
[VALUE] exceeded limit of
[LIMIT]*
LINE VOLTAGE
216->Line Voltage Imbalance;
IMBALANCE
Check VFD Fault History for
Values.
MOTOR OVERLOAD
217->Motor Overload Trip;
TRIP
Check VFD configurations
VFD RECTIFIER
218->VFD Rectifier Temp Exceeded:
OVERTEMP
Check Cooling and VFD Config.
VFD INVERTER
219->VFD Inverter Temp Exceeded:
OVERTEMP
Check Cooling and VFD Config.
GROUND FAULT
220->Ground Fault Trip;
Check Motor and Current Sensors
MOTOR ROTATION
221->Motor Rotation Reversed:
REVERSED
Check Wiring from VFD to Motor
LINE FREQUENCY
222->Line Frequency [VALUE]:
TRIP
Check Power Supply.
WITH VFD
223->Loss of SIO Comm with
GATEWAY
VFD Gateway: Check VFG
MODULE
Module and Power
VFD
224->Loss of DPI Comm with
COMMUNICATIONS
VFD Gateway: Check VFG to
FAULT
VFD Comm.
MOTOR CURRENT
225->Motor Current Imbalance:
IMBALANCE
Check VFD Fault History for
Values.
LINE PHASE
226->Line Phase Reversal:
REVERSAL
Check Line Phases
OIL PRESS
227->Oil Pressure Delta P
SENSOR FAULT
[VALUE] (Pump Off): Check
Pump/Transducers
ALARM MESSAGE
PRIMARY CAUSE
Check DC BUS VOLTAGE and VFD FAULT
CODE in VFD_HIST screen.
See VFD FAULT CODES in Table 20.
See Table 5.
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.
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.
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.
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.
Check GROUND FAULT CURRENT and
VFD FAULT CODE in VFD_HIST screen.
See VFD FAULT CODES in Table 20.
See Table 5.
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.
Check LINE FREQUENCY and VFD FAULT
CODE in VFD_HIST screen.
See VFD FAULT CODES in Table 20.
See Table 5.
Check SIO communication harness between the
Gateway and the J7 CCM connector.
Check status lights on CCM and Gateway
per Fig. 61 and 63.
Check ribbon cable and connectors between the
Gateway and the VFD DPI Communications
Interface Board per Fig. 62 and 63.
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.
Check VFD FAULT CODE in VFD_HIST screen.
See VFD FAULT CODES in Table 20.
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.
105
ADDITIONAL
CAUSE/REMEDY

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