What It Means
- DAS sensed frozen coil
Lennox Zone controller
Lennox Error Code 1101
Zone controller
Causes & actions from Lennox
How it shows
- harmony diagnostic led1234: 1101 (led1: on, led2: on, led3: off, led4: on)
Indicates discharge air temperature sensed by discharge air sensor drops below 45 degrees during the cooling mode. When sensed, the air conditioner unit will stop and as long as the cooling demand is present the ID blower will continue to run until the 5 minute timed off timer expires and the discharge air sensor senses 55ºF.
Applicable models & manual sources
- HARMONY III
DAS sensed frozen coil
HARMONY III, X9953
Disclaimer: This information is for general reference. Code wording and instructions vary by model. Always follow the service manual for your exact unit.
What should you check next?
Continue in ACLogics with guided diagnosis for your equipment and symptoms.
