Carrier 19XR User Manual page 80

Custom Alarm/Alert Messages with Troubleshooting Guides (cont)
G. NORMAL RUN WITH OVERRIDES
PRIMARY
STATE
MESSAGE
120 RUN CAPACITY
LIMITED
121 RUN CAPACITY
LIMITED
122 RUN CAPACITY
LIMITED
123 RUN CAPACITY
LIMITED
124 RUN CAPACITY
LIMITED
125 RUN CAPACITY
LIMITED
*[LIMIT] is shown on the CVC/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 con-
dition.
H. OUT-OF-RANGE SENSOR ALARMS
PRIMARY
STATE
MESSAGE
260 SENSOR LEAVING CHILLED
FAULT WATER
261 SENSOR ENTERING CHILLED
FAULT WATER
262 SENSOR CONDENSER
FAULT PRESSURE
263 SENSOR EVAPORATOR
FAULT PRESSURE
264 SENSOR COMPRESSOR
FAULT BEARING TEMP
265 SENSOR COMPRESSOR
FAULT MOTOR TEMP
266 SENSOR COMP DISCHARGE
FAULT TEMP
267 SENSOR OIL SUMP TEMP
FAULT
268 SENSOR COMP OIL
FAULT PRESS DIFF
269 SENSOR CHILLED WATER
FAULT FLOW
270 SENSOR COND WATER
FAULT FLOW
271 SENSOR VFD SPEED SENSOR
FAULT OUT OF RANGE
273 SENSOR VFD SPEED OUT OF
FAULT RANGE
Table 11 — CVC/ICVC Primary and Secondary Messages and
SECONDARY
MESSAGE
HIGH CONDENSER 120->Condenser Pressure
PRESSURE [VALUE] exceeded limit of [LIMIT]*.
HIGH MOTOR 121->Comp Motor Winding Temp
TEMPERATURE [VALUE] exceeded limit of [LIMIT]*.
LOW EVAP 122->Evaporator Refrig Temp
REFRIG TEMP [VALUE] exceeded limit of [LIMIT]*.
HIGH COMPRESSOR 123->Surge Prevention Override:
LIFT Lift Too High For Compressor.
MANUAL GUIDE 124->Run Capacity Limited:
VANE TARGET Manual Guide Vane Target.
LOW DISCHARGE No messages.
SUPERHEAT
SECONDARY
MESSAGE
260->Sensor Fault:
Leaving Chilled Water
261->Sensor Fault:
Entering Chilled Water
262->Sensor Fault:
Condenser Pressure
263->Sensor Fault:
Evaporator Pressure
264->Sensor Fault:
Comp Thrust Bearing Temp
265->Sensor Fault:
Comp Motor Winding Temp
266->Sensor Fault:
Comp Discharge Temp
267->Sensor Fault:
Oil Sump Temp
268->Sensor Fault:
Oil Pump Delta P
269->Sensor Fault:
Chilled Water Delta P
270->Sensor Fault:
Cond Water Delta P
271->Sensor Fault:
Check Actual VFD Speed Sensor
273->Sensor Fault:
Check Actual VFD Speed Sensor
ALARM MESSAGE
PRIMARY CAUSE
Check for high condenser water temperatures.
Check setting in SETUP1.
Check motor cooling lines.
Check for closed valves.
Check setting in SETUP1.
Check refrigerant charge.
Check for low entering cooler temperatures.
Check for high condenser water temperatures or
low suction temperature.
Target guide vane point has been forced in
MAINSTAT screen. Release force to continue
normal operation.
Check oil charge.
Check refrigerant charge.
ALARM MESSAGE
PRIMARY CAUSE
Check sensor resistance or voltage drop.
Check for proper wiring.
Check sensor resistance or voltage drop.
Check for proper wiring.
Check sensor wiring.
Check sensor wiring.
Check sensor resistance or voltage drop.
Check for proper wiring.
Check sensor resistance or voltage drop.
Check for proper wiring.
Check sensor resistance or voltage drop.
Check for proper wiring.
Check sensor resistance or voltage drop.
Check for proper wiring.
Check sensor wiring and accuracy.
Check sensor wiring and accuracy.
Check sensor wiring and accuracy.
Check voltage input on terminals J6-1 and J6-2 on
the ISM module. Check wiring.
Check VFD feedback 0-5 vac. Calibrate VFD
speed reference signal.
80
ADDITIONAL
CAUSE/REMEDY
ADDITIONAL
CAUSE/REMEDY