Lennox Core Unit Controller Setup Manual page 47

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SELECTED ALARMS (MARKED WITH * IN TAbLE RESULT IN THE CLOSURE OF THE SERVICE RELAY CONTACTS (DO1).
ALARM
DISPLAY MESSAGE
CODE
212
MAJOR LOSS CONDENSER AIRFLOW
213
MAJOR LOSS EVAPORATOR AIRFLOW
214
C1 COMPRESSOR FLOODING
215
C2 COMPRESSOR FLOODING
216
C3 COMPRESSOR FLOODING
217
C4 COMPRESSOR FLOODING
218
C1 SAT LIQUID TEMP SENSOR
219
C2 SAT LIQUID TEMP SENSOR
220
C3 SAT LIQUID TEMP SENSOR
221
C4 SAT LIQUID TEMP SENSOR
222
C1 LIQUID TEMP SENSOR
223
C2 LIQUID TEMP SENSOR
224
C3 LIQUID TEMP SENSOR
225
C4 LIQUID TEMP SENSOR
226
C1 SAT SUCTION TEMP SENSOR
227
C2 SAT SUCTION TEMP SENSOR
228
C3 SAT SUCTION TEMP SENSOR
229
C4 SAT SUCTION TEMP SENSOR
230
C1 SUCTION TEMP SENSOR
231
C2 SUCTION TEMP SENSOR
232
C3 SUCTION TEMP SENSOR
233
C4 SUCTION TEMP SENSOR
UTEC INTERNAL FAULT GV1 ROM
234
RAM
UTEC INTERNAL FAULT GV2 ROM
235
RAM
236
UTEC MAX FLAME LOSS GV1
237
UTEC MAX FLAME LOSS GV2
238
UTEC FALSE FLAME GV1
239
UTEC FALSE FLAME GV2
240
UTEC INTERNAL FAULT GV1 VALVE
241
UTEC INTERNAL FAULT GV2 VALVE
242
UTEC VALVE FAULT LOCKOUT GV1
Table 11. CORE Control System Alarm and Event Codes
EVENT ACTION
Major Loss of Condenser Airflow
Major Loss of Evaporator Airflow
Compressor Flooding Compressor 1
Compressor Flooding Compressor 2
Compressor Flooding Compressor 3
Compressor Flooding Compressor 4
Saturated Liquid Temperature Sensor Circuit 1 has failed.
Saturated Liquid Temperature Sensor Circuit 1 has become dislodged.
Saturated Liquid Temperature Sensor Circuit 2 has failed.
Saturated Liquid Temperature Sensor Circuit 2 has become dislodged.
Saturated Liquid Temperature Sensor Circuit 3 has failed.
Saturated Liquid Temperature Sensor Circuit 3 has become dislodged.
Saturated Liquid Temperature Sensor Circuit 4 has failed.
Saturated Liquid Temperature Sensor Circuit 4 has become dislodged.
Liquid Temperature Sensor Circuit 1 has failed.
Liquid Temperature Sensor Circuit 1 has become dislodged.
Liquid Temperature Sensor Circuit 2 has failed.
Liquid Temperature Sensor Circuit 2 has become dislodged.
Liquid Temperature Sensor Circuit 3 has failed.
Liquid Temperature Sensor Circuit 3 has become dislodged.
Liquid Temperature Sensor Circuit 4 has failed.
Liquid Temperature Sensor Circuit 4 has become dislodged.
Saturated Suction Temperature Sensor Circuit 1 has failed.
Saturated Suction Temperature Sensor Circuit 1 has become dislodged.
Saturated Suction Temperature Sensor Circuit 2 has failed.
Saturated Suction Temperature Sensor Circuit 2 has become dislodged.
Saturated Suction Temperature Sensor Circuit 3 has failed.
Saturated Suction Temperature Sensor Circuit 3 has become dislodged.
Saturated Suction Temperature Sensor Circuit 4 has failed.
Saturated Suction Temperature Sensor Circuit 4 has become dislodged.
Suction Temperature Sensor Circuit 1 has failed.
Suction Temperature Sensor Circuit 1 has become dislodged.
Suction Temperature Sensor Circuit 2 has failed.
Suction Temperature Sensor Circuit 2 has become dislodged.
Suction Temperature Sensor Circuit 3 has failed.
Suction Temperature Sensor Circuit 3 has become dislodged.
Suction Temperature Sensor Circuit 4 has failed.
Suction Temperature Sensor Circuit 4 has become dislodged.
47

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