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We receive many calls involving the safety eyes preventing the garage door from closing due to the safety eyes malfunctioning or simply being out of alignment. If your garage door opens fine, but will not close using the wall console, then this could be a safety eye issue. If the opener light flashes and/or the motor makes a clicking sound, this is a warning that you have a safety eye issue. You can begin by looking at the safety eyes themselves. You should see a steady light on both of the safety eyes. If one of the lights is flashing then you may just need to simply align the eyes properly. This is done by physically moving/adjusting the safety eyes until you have both safety eyes with a solid light showing.
A simple test is to press and hold the wall console to close the door. If the garage door closes while holding the wall console button, then you probably have a safety eye issue.
We offer a full line of commercial garage door openers to fit the needs of the customer. For smaller commercial sectional garage doors we recommend using the Liftmaster 8900W these operators are rated for 14 feet maximum height and 300lbs total weight. For rolling steel doors we recommend the 8950W for doors up to 12 feet maximum height and maximum weight of 850lbs.
For large sectional commercial doors we recommend the Liftmaster J or H. These are equipped with MyQ for automated opener control and are equipped with a soft start/stop feature.
The Liftmaster J, jackshaft opener is available in ⅓, ½, ¾ and 1 horse power. The horse power needed is based on the total square footage of the sectional door it will be installed on.