Lennox Ducted Heating

Lennox Ducted Heating Error Code E313

Ducted Heating

E313 means different things on different Ducted Heating models. Enter your model number to see only your reading, or find your model below.

What It Means

  • SLP98UHV, SLP99UHV: Indoor or outdoor unit capacity mismatch.
  • SL297UHNV: Indoor or outdoor unit capacity mismatch. Communication only.

Causes & actions from Lennox

Indoor or outdoor unit capacity mismatch.

Models: SLP98UHV, SLP99UHV

How it shows
  • Integrated control 7-segment display: E313

Incorrect Indoor /outdoor capacity code selected. Check for proper configuration in installation instruc- tions. Alarm is just a warning. The system operation is not impacted at all and alarm would clear when Commissioning is exited.

Other manual wording

SLP99UHV

Incorrect Indoor /outdoor capacity code selected. Check for proper configuration in installation instructions. Alarm is just a warning. The system operation is not impacted at all and alarm would clear when Commissioning is exited.

Applicable models & manual sources

Indoor or outdoor unit capacity mismatch. Communication only.

Models: SL297UHNV

How it shows
  • Integrated control 7-segment display: E313

Incorrect indoor/outdoor capacity code selected. Check for proper configuring in installation instructions. Alarm is just a warning. The system will operate, but might not meet efficiency and capacity pa- rameters. Alarm will clear when commissioning is exited. Cleared after commissioning is complete.

Applicable models & manual sources
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.

See how guided diagnosis works →