Lennox CLIMATIC series User Manual page 59

COMMUNICATION
ALARM 119, 219, 319:
CONDENSER, TEMPERATURE TOO LOW
ALARM 129, 229, 329:
CONDENSER, TEMPERATURE TOO HIGH
Description
The CLIMATIC indicates an over-temperature:
• Alarm n19: Condensing temperature too low on circuit n,
• Alarm n29: Condensing temperature too high on circuit n,
Action
These alarms are only reported: it had no effect on compressors.
Reset
The alarm is automatically deleted if the temperature is correct. This trip is saved in the alarm history only if the DS is connected or if
999 faults were activated during one day.
The daily counter is automatically reset every day at 11 am. The 999th trip is locked and must be manually reset.
Possible cause(s)
• Problem of refrigerant capacity
Remedies
• Check the frigorifi c system operation
CLIMATIC RT_UNITARY-IOM-1508-E • 57 •