Lennox Core Unit Controller Setup Manual page 47

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.
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