What It Means
- Inverter EEPROM Checksum error
Lennox Split & Multi-Split
Lennox Error Code E590
Split & Multi-Split: Mini-split unit (outdoor)
Causes & actions from Lennox
How it shows
- mini outdoor inverter pcb: E590
- Mini-split outdoor main board: E590
This manual entry does not list further causes or actions.
Applicable models & manual sources
- 3WPD036S6S-1P
Inverter EEPROM Checksum error
Disclaimer: This information is for general reference. Code wording and instructions vary by model. Always follow the service manual for your exact unit.
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