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Table 8 — LID Primary and Secondary Messages and Custom Alarm/Alert Messages
with Troubleshooting Guides (cont)
I. NORMAL RUN OVERRIDES ACTIVE (ALERTS)
PRIMARY MESSAGE
SECONDARY MESSAGE
ALARM MESSAGE/PRIMARY CAUSE
ADDITIONAL CAUSE/REMEDY
RUN CAPACITY LIMITED
HIGH CONDENSER PRESSURE
CRP [VALUE] exceeded limit of [LIMIT]*.
Condenser pressure override.
See Capacity Overrides, Table 4.
Correct operating condition, modify set-
point, or release override.
RUN CAPACITY LIMITED
HIGH MOTOR TEMPERATURE
MTRW [VALUE] exceeded limit of [LIMIT]*.
Motor temperature override.
RUN CAPACITY LIMITED
LOW EVAP REFRIG TEMP
ERT [VALUE] exceeded limit of [LIMIT]*. Check
refrigerant charge level.
RUN CAPACITY LIMITED
HIGH COMPRESSOR LIFT
Surge Prevention Override; lift too high for
compressor.
RUN CAPACITY LIMITED
MANUAL GUIDE VANE TARGET
GV
TRG Run Capacity Limited: Manual guide
vane target.
*[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
ALARM MESSAGE/PRIMARY CAUSE
ADDITIONAL CAUSE/REMEDY
SENSOR FAULT
LEAVING CHW TEMPERATURE
Sensor Fault: Check leaving CHW
sensor.
See sensor test procedure and check
sensors for proper operation and
wiring.
SENSOR FAULT
ENTERING CHW TEMPERATURE
Sensor Fault: Check entering CHW
sensor.
SENSOR FAULT
CONDENSER PRESSURE
Sensor Fault: Check condenser pressure
transducer.
SENSOR FAULT
EVAPORATOR PRESSURE
Sensor Fault: Check evaporator pressure
transducer.
SENSOR FAULT
BEARING TEMPERATURE
Sensor Fault: Check bearing temperature
sensor.
SENSOR FAULT
MOTOR WINDING TEMP
Sensor Fault: Check motor temperature
sensor.
SENSOR FAULT
DISCHARGE TEMPERATURE
Sensor Fault: Check discharge temperature
sensor.
SENSOR FAULT
OIL SUMP TEMPERATURE
Sensor Fault: Check oil sump temperature
sensor.
SENSOR FAULT
OIL PRESSURE TRANSDUCER
Sensor Fault: Check oil pressure
transducer.
89
Summary of Contents for 17
Page 13: ...Fig 6 Open Drive 17 Series Lubrication Cycle 13 ...
Page 15: ...Fig 7 17EX Controls and Sensor Locations 15 ...
Page 16: ...Fig 7 17EX Controls and Sensor Locations cont 16 ...
Page 17: ...Fig 7 17EX Controls and Sensor Locations cont 17 ...
Page 19: ...Fig 8 19EX Controls and Sensor Locations cont 19 ...
Page 23: ...Fig 16 17 19EX LID Menu Structure 23 ...
Page 24: ...Fig 17 17 19EX Service Menu Structure 24 ...