Lennox Core Unit Controller User Manual

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

Lennox Core Unit Controller Specifications

General

Brand	Lennox
Model	Core Unit Controller
Category	Controller
Language	English