
99
Table 16 — Alarm and Alert Messages (cont)
I. 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.
J. CHILLER ALERTS
*[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.
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 CON-
FIG
282Line Frequency
[VALUE] Exceeded Configura-
tion Range.
LINE FREQUENCY in POWER screen must be main-
tained between 45-52 Hz if LINE FREQ=60Hz? is set
to NO(50 Hz). LINE FREQUENCY must be main-
tained between 55-62 Hz if LINE FREQ=60Hz? is set
to YES (60 Hz).
Check 2C AUX/HPR Gate Kill circuit.
283 PROTECTIVE LIMIT
INVALID VFD CON-
FIG
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). COMPRESSOR 100% SPEED
must be set between 55-62 Hz if LINE FREQ=60Hz?
is set to YES (60 Hz).
284 VFD GATEWAY
COMPATIBILITY
CONFLICT
284VFD Gateway Compati-
bility Conflict: Check VFG/
VFD Versions.
VFD Gateway and VFD software versions are not
compatible.
Call Carrier Service.
285 VFD 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 con-
denser water flow.
Check current settings in VFD_CONF screen.
ICVC FAULT
STATE
PRIMARY
MESSAGE
SECONDARY
MESSAGE
PRIMARY CAUSE ADDITIONAL CAUSE/REMEDY
140 SENSOR ALERT
LEAVING COND
WATER TEMP
140Sensor Fault: Check
Leaving Cond Water Sensor.
Check sensor resistance or voltage drop.
Check for proper wiring.
141 SENSOR ALERT
ENTERING COND
WATER TEMP
141Sensor Fault: Check
Entering Cond Water Sensor.
Check sensor resistance or voltage drop.
Check for proper wiring.
142
LOW OIL
PRESSURE ALERT
CHECK OIL FILTER
142Low Oil Pressure Alert.
Check Oil Filter.
Check for partially or closed shut-off valves.
Check oil filter.
Check oil pump and power supply.
Check oil level.
Check for foaming oil at start-up.
Check transducer wiring and accuracy.
143
AUTORESTART
PENDING
LINE CURRENT
IMBALANCE
143Line Current Imbal-
ance: Check VFD Fault His-
tory for Values.
Power loss has been detected in any phase.
Chiller automatically restarting.
144
AUTORESTART
PENDING
LINE VOLTAGE
DROP OUT
144Single Cycle Line
Voltage Dropout.
A drop in line voltage has been detected within
2 voltage cycles.
Chiller automatically restarting if Auto Restart is
enabled in OPTIONS screen.
145
AUTORESTART
PENDING
HIGH LINE VOLT-
AGE
145High Percent Line
Voltage [VALUE].
Check phase to phase and phase to ground line
power.
146
AUTORESTART
PENDING
LOW LINE VOLTAGE
146Low Percent Line
Voltage [VALUE].
Check phase to phase and phase to ground line
power.
147
AUTORESTART
PENDING
VFD MODULE
RESET
147->VFD Module Power-On
Reset When Running.
VFD Module has detected a hardware fault due to
electrical noise, power loss or software and has reset.
Chiller automatically restarting.
Check for power loss and sources of electromagnetic
interference.
148
AUTORESTART
PENDING
POWER LOSS
148Control Power-Loss
When Running.
Check 24 vac control power supply to ICVC.
149 MACHINE ALERT
HIGH COND WATER
FLOW
149->High Flow: Condenser
Water Delta P [VALUE]
Exceeded Limit of [LIMIT]*.
COND HI FLOW ALARM OPT is disabled and CON-
DENSER WATER DELTA P has exceeded configured
limit. Check FLOW DELTA P DISPLAY and COND HI
FLOW DEL P LIMIT in SETUP1 screen. Check
optional condenser water pressure transducer wiring
and accuracy. Confirm that 5 V reference signal is
available between CCM J3-19 and J3-21 and J3-22
and J3-24. Check for disconnected, grounded, or
shorted wiring. If pressure transducers are not
installed, check for presence of resistors and jumpers
CCM terminals J3-19 through J3-24. See Chiller Con-
trols Schematic if flow switches are used.
150 SENSOR ALERT
HIGH BEARING
TEMPERATURE
150Comp Thrust Brg Temp
[VALUE] exceeded limit of
[LIMIT]*.
Check sensor resistance or voltage drop.
Check for proper wiring.
Check for partially closed service valves.
Check oil cooler TXV.
Check oil level and oil temperature.
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