What It Means
- Error on thermal fuse of indoor unit (Open)
Lennox Split & Multi-Split
Lennox Split & Multi-Split Error Code E198
Split & Multi-Split: Mini-split unit (outdoor)
Causes & actions from Lennox
How it shows
- mini outdoor inverter pcb: E198
- Mini-split outdoor main board: E198
Thermal Fuse Open Check of indoor unit Terminal Block
Applicable models & manual sources
- 3WPD036S6S-1P
Error on thermal fuse of indoor unit (Open)
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.
