Deactivating Chain And Reset Of Velux Integra Electric Window [NEW]

In cases of power loss or battery failure, the electric opening chain can be disengaged to allow manual movement.

If your VELUX INTEGRA window is unresponsive or you need to operate it manually during a power failure, you must disengage the electric motor chain and perform a system reset to restore normal function. How to Deactivate the Chain for Manual Operation

Look for a small, light-grey button on the motor unit, typically found by slightly tilting the motor or looking near the T-bar.