What It Means
- Communication error between indoor fan coil units and external condensing units
Lennox VRF / VRV
Lennox Error Code Timer LED Flashes Fast
VRF / VRV:
Causes & actions from Lennox
How it shows
- vrf indoor receiver named led: Timer LED Flashes Fast (timer: flashing (fast))
Communication error between indoor fan coil units and external condensing units
Applicable models & manual sources
- V22B
Communication error between indoor fan coil units and external con- densing units
V22B, VOWA, VVCB, VOSB, V33B, VWMB, VMDB, VCFB, VHIB
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.
