Lennox VRF / VRV

Lennox Error Code E688

VRF / VRV: VRF indoor unit (indoor)

What It Means

  • MSB or SVB R-32 sensor failure.

Causes & actions from Lennox

How it shows
  • r32 vstat04p fault display: E688

Contact Lennox Electronics service center; product doesnotwork.

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.

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