Lennox Select Equipment
Lennox Error Code E4
E4 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) T2B (Outlet of evaporator sensor) malfunctionEvaporator outlet temperature sensor (T2B) errorT2B temperature sensor error. + 1 more readings->
- Split & Multi-Split Mini-split unit, Mini-split unit (indoor), Mini-split unit (outdoor) Indoor return air temperature sensor errorIndoor coil outlet temperature sensor error (T2B)Indoor room temperature sensor error (T1) + 2 more readings->
What should you check next?
Continue in ACLogics with guided diagnosis for your equipment and symptoms.
