What It Means
- VWMD****6-5P: MSB or SVB R-32 detecting sensor lifespan expired after10years3months(3740days); product doesnotwork.
- VWMD****6-5P: MSB or SVB R-32 sensor lifespan expired after10years3months(3740days).

VRF / VRV
E690 means different things on different VRF / VRV models. Enter your model number to see only your reading, or find your model below.
Models: VWMD****6-5P
VRF indoor unit (indoor)
Replace only manufacturer-approved R-32 sensor through Lennox Electronics Service Center before lifespan expires.
MSB or SVB R-32 detecting sensor lifespan expired after10years3months(3740days); product doesnotwork.
Models: VWMD****6-5P
VRF indoor unit (indoor)
Contact Lennox Electronics service center; product doesnotwork.
MSB or SVB R-32 sensor lifespan expired after10years3months(3740days).
Continue in ACLogics with guided diagnosis for your equipment and symptoms.