Carrier 19EF Series Start Up & Operation Manual page 57

Table 9 — LID Primary and Secondary Messages and Custom Alarm/Alert Messages
H. NORMAL RUN WITH RESET, TEMPERATURE, OR DEMAND
PRIMARY MESSAGE
RUNNING — RESET ACTIVE
RUNNING — RESET ACTIVE
RUNNING — RESET ACTIVE
RUNNING — TEMP CONTROL
RUNNING — TEMP CONTROL
RUNNING — TEMP CONTROL
RUNNING — DEMAND LIMITED
RUNNING — DEMAND LIMITED
RUNNING — DEMAND LIMITED
RUNNING — DEMAND LIMITED
RUNNING — DEMAND LIMITED
RUNNING — TEMP CONTROL
RUNNING — DEMAND LIMITED
RUNNING — TEMP CONTROL
I. NORMAL RUN OVERRIDES ACTIVE (ALERTS)
PRIMARY MESSAGE
RUN CAPACITY LIMITED HIGH CONDENSER PRESSURE CRP [VALUE]* exceeded limit of [LIMIT]*.
RUN CAPACITY LIMITED HIGH MOTOR TEMPERATURE
RUN CAPACITY LIMITED LOW EVAP REFRIG TEMP
RUN CAPACITY LIMITED HIGH COMPRESSOR LIFT
RUN CAPACITY LIMITED MANUAL GUIDE VANE TARGET GV
*[LIMIT] is shown on the LID 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 temperature, pressure, voltage, etc., at which the control tripped.
J. OUT-OF-RANGE SENSOR FAILURES
PRIMARY MESSAGE SECONDARY MESSAGE
SENSOR FAULT LEAVING CHW TEMPERATURE
SENSOR FAULT ENTERING CHW TEMPERATURE Sensor Fault: Check entering CHW
SENSOR FAULT CONDENSER PRESSURE
SENSOR FAULT EVAPORATOR PRESSURE
SENSOR FAULT BEARING TEMPERATURE
SENSOR FAULT MOTOR WINDING TEMP
SENSOR FAULT DISCHARGE TEMPERATURE
SENSOR FAULT OIL SUMP TEMPERATURE
SENSOR FAULT OIL PRESSURE TRANSDUCER
with Troubleshooting Guides (cont)
SECONDARY MESSAGE
4-20MA SIGNAL
REMOTE SENSOR CONTROL
CHW TEMP DIFFERENCE
LEAVING CHILLED WATER
ENTERING CHILLED WATER
TEMPERATURE RAMP LOADING
BY DEMAND RAMP LOADING
BY LOCAL DEMAND SETPOINT
BY 4-20MA SIGNAL
BY CCN SIGNAL
BY LOADSHED/REDLINE
HOT GAS BYPASS
BY LOCAL SIGNAL
ICE BUILD MODE
SECONDARY MESSAGE
ALARM MESSAGE/PRIMARY CAUSE
Sensor Fault: Check leaving CHW
sensor.
sensor.
Sensor Fault: Check condenser pressure
transducer.
Sensor Fault: Check evaporator pres-
sure transducer.
Sensor Fault: Check bearing temp/impeller
displacement switch.
Sensor Fault: Check motor temperature
sensor.
Sensor Fault: Check discharge tempera-
ture sensor.
Sensor Fault: Check oil sump tempera-
ture sensor.
Sensor Fault: Check oil pressure
transducer.
Reset program active based upon Config table setup.
Default method of temperature control.
ECW control activated on Config table.
Ramp loading in effect. Use Service1 table to modify.
Ramp loading in effect. Use Service1 table to modify.
Demand limit setpoint is
Demand limit is active based on Config table setup.
Hot Gas Bypass is energized. See surge prevention in the
control section.
Active demand limit manually overridden or Status01 table.
Machine is running under Ice Build temperature control.
ALARM MESSAGE/PRIMARY CAUSE
Condenser pressure override.
MTRW [VALUE]* exceeded limit of [LIMIT]*.
Motor temperature override.
ERT [VALUE]* exceeded limit of [LIMIT]*.
Check refrigerant charge level.
Surge Prevention Override; lift too high for
compressor.
TRG Run Capacity Limited: Manual
guide vane target.
57
PROBABLE CAUSE/REMEDY
actual demand.
ADDITIONAL CAUSE/REMEDY
See Capacity Overrides, Table 4.
Correct operating condition, modify set-
point, or release override.
ADDITIONAL CAUSE/REMEDY
See sensor test procedure and check
sensors for proper operation and
wiring.