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Lennox Error Code E3
E3 means different things on different Lennox equipment. Choose the equipment you are working on.
Disclaimer: This information is for general reference. Code wording and instructions vary by model. Always refer to your unit's service manual.
What does it mean? Select your equipment
- VRF / VRV Reheat coil (indoor), VRF indoor unit (indoor) T2 (Middle of evaporator sensor) malfunctionMiddle evaporator temperature sensor (T2) errorT2A temperature sensor error. + 1 more readings->
- Split & Multi-Split Mini-split unit, Mini-split unit (indoor), Mini-split unit (outdoor) Indoor fan speed errorCommunication error between outdoor unit main control and IPM control.Communication malfunction between IPM board and outdoor main control board + 2 more readings->
What should you check next?
Continue in ACLogics with guided diagnosis for your equipment and symptoms.