Carrier AquaEdge 23XRV Start-Up, Operation And Maintenance Instructions Manual page 102

Custom Alarm/Alert Messages with Troubleshooting Guides (cont)
G. NORMAL RUN WITH OVERRIDES
PRIMARY
STATE
MESSAGE
HIGH CONDENSER
RUN CAPACITY
120 PRESSURE
LIMITED
HIGH MOTOR
RUN CAPACITY
TEMPERATURE
121
LIMITED
LOW EVAP REFRIG
RUN CAPACITY
TEMP
122
LIMITED
HIGH RECTIFIER TEMP 123->Rectifier Temperature [VALUE]
RUN CAPACITY
123
LIMITED
RUN CAPACITY MANUAL SPEED
124
CONTROL
LIMITED
HIGH INVERTER TEMP
RUN CAPACITY
125
LIMITED
RUN CAPACITY COMP MIN SPEED IN
126
EFFECT
OVERRIDE
COMP MAX SPEED
RUN CAPACITY
127 LIMITED
OVERRIDE
*[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 has recorded at the time of the fault condition.
H. OUT-OF-RANGE SENSOR ALARMS
PRIMARY
STATE
MESSAGE
LEAVING CHILLED
LIQUID
260 SENSOR FAULT
ENTERING CHILLED
LIQUID
261 SENSOR FAULT
CONDENSER
PRESSURE
262 SENSOR FAULT
EVAPORATOR
PRESSURE
263 SENSOR FAULT
OIL PRESS SENSOR
FAULT
264 SENSOR FAULT
Table 19 — ICVC Primary and Secondary Messages and
SECONDARY ALARM MESSAGE
MESSAGE
120->Condenser Pressure [VALUE]
exceeded limit of [LIMIT]*.
121->Comp Motor Winding Temp
[VALUE] exceeded limit of [LIMIT]*.
122->Evaporator Refrig Temp [VALUE]
exceeded limit of [LIMIT]*.
exceeded limit of [LIMIT]*
125->Inverter Temperature [VALUE]
exceeded limit of [LIMIT]*
SECONDARY ALARM MESSAGE
MESSAGE PRIMARY CAUSE
260->Sensor Fault: Check Leaving
Chilled Liquid Sensor
261->Sensor Fault: Check Entering
Chilled Liquid Sensor
262->Sensor Fault: Check
Condenser Pressure Sensor
263->Sensor Fault: Check
Evaporator Pressure Sensor
264->Sensor Fault: Check Oil
Pressure Delta P Sensor
PRIMARY CAUSE
Check for high condenser liquid temperatures.
Check COND PRESS OVERRIDE setting
in SETUP1.
Check motor cooling lines.
Check for closed valves.
Check COMP MOTOR TEMP OVERRIDE setting
in SETUP1.
Check REFRIG OVERRIDE DELTA T
setting in SETUP1 screen.
Check refrigerant charge.
Check for low entering cooler temperatures.
Check VFD refrigerant isolation valves.
Check VFD refrigerant cooling solenoid valve.
Check RECTIFIER TEMP OVERRIDE in
SETUP1 screen.
TARGET VFD SPEED in COMPRESS screen is
forced to a fixed value.
Check VFD refrigerant isolation valves.
Check VFD refrigerant cooling solenoid valve.
Check INVERTER TEMP OVERRIDE in
SETUP1 screen.
TARGET VFD SPEED is clamped to COMP
MINIMUM SPEED due to oil viscosity.
TARGET VFD SPEED is clamped to VFD
MAXIMUM SPEED.
Check VFD MAXIMUM SPEED in SETUP2 screen.
Check sensor resistance or voltage drop against
Table 21 or 22.
Check for proper wiring between Leaving Chilled
Liquid Temperature sensor and CCM.
Check for grounded sensor lead.
See Table 5.
Check sensor resistance or voltage drop against
Table 21 or 22.
Check for proper wiring between Entering Chilled
Liquid Sensor and CCM.
Check for grounded sensor lead.
See Table 5.
Confirm that 5V Reference voltage is available
on CCM.
Check sensor voltage drop.
Check for proper wiring between Condenser
Pressure Sensor and CCM.
Check for grounded sensor lead.
Check for condensation inside of pressure
sensor connector.
See Table 5.
Confirm that 5V Reference voltage is available
on CCM.
Check sensor voltage drop.
Check for proper wiring between Evaporator
Pressure Sensor and CCM.
Check for grounded sensor lead.
Check for condensation inside of pressure sensor
connector.
See Table 5.
Confirm that 5V Reference voltage is available
on CCM.
Check sensor voltage drops.
Check for proper wiring between Oil Sump
Pressure and Oil Pressure Leaving Filter Sensors
and CCM.
Check for grounded sensor lead.
Check for condensation inside of pressure sensor
connectors.
See Table 5.
102
ADDITIONAL
CAUSE/REMEDY
ADDITIONAL
CAUSE/REMEDY