Weekly Maintenance. Verify that the curtain is not worn or damaged in any way, if this is so, repair it immediately. Verify the belt tension. Clean the windows adjacent to the blinds removing any insect nest or any other dirt present in the vicinity. Remove any dust etc. from the roller box especially where there are moving mechanical parts and also from the slots where the curtain move; Clean the guidelines both internally and externally, checking that the belts are not worn. Spray the guidelines with silicone lubricant; Verify that none of the fixing bolts or screws are loose (this should not happen due the application of lock tight on each tapped holes.) Clean the blinds guidelines and lubricate with silicone spray; Lubricate with silicone spray all of the P.V.C. bushes situated on the opposite side of the motor of all the blinds; Lubricate the belts transmission with silicone spray. After 3000 cycles it’s necessary to replace the pulling belts Belts replacement must be done by qualified staff Contact installation company During all maintenance work it is essential that the electricity supply to the blinds is turned off an external power outlet will be used to the needed testing.