What It Means
- System superheat below 3 degrees F for more than 10 minutes. Heat pump heating operation stopped.
- 3WPD036S6S-1P: Outdoor Fan#1 high voltage or low voltage error
Lennox Split & Multi-Split
Lennox Error Code E486
Split & Multi-Split
E486 means different things on different Split & Multi-Split models. Enter your model number to see only your reading, or find your model below.
Causes & actions from Lennox
System superheat below 3 degrees F for more than 10 minutes. Heat pump heating operation stopped.
10 models
EL21KLV, EL21KLV-024, EL21KLV-036, EL21KLV-048, EL21KLV-060, SL22KLV, SL22KLV-024, SL22KLV-036, SL22KLV-048, SL22KLV-060
Heat pump (outdoor)
How it shows
- Outdoor control 7-segment display: E486
System superheat below 3 degrees F for more than 10 minutes. Heat pump heating operation stopped.
Other manual wording
EL21KLV, EL21KLV-024, EL21KLV-036, EL21KLV-048, EL21KLV-060
This manual entry does not list further causes or actions.
Applicable models & manual sources
- SL22KLV
System superheat below 3 degrees F for more than 10 minutes. Heat pump heating operation stopped.
SL22KLV, SL22KLV-024, SL22KLV-036, SL22KLV-048, SL22KLV-060
- EL21KLV
System superheat below 3 degrees F for more than 10 minutes. Heat pump heating operation stopped.
- EL21KLV
System superheat below 3 degrees F for more than 10 minutes. Heat pump heating operation stopped.
EL21KLV, EL21KLV-024, EL21KLV-036, EL21KLV-048, EL21KLV-060
Outdoor Fan#1 high voltage or low voltage error
Models: 3WPD036S6S-1P
Mini-split unit (outdoor)
How it shows
- mini outdoor inverter pcb: E486
- Mini-split outdoor main board: E486
1. C hange motor 2. C hange INV PCB
Applicable models & manual sources
- 3WPD036S6S-1P
Outdoor Fan#1 high voltage or low voltage error
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.
