Retractable door Symptom Cause Remedy: 1. Automatic doors can open and close without power checks power 2. remote control without electricity or damage to repair, replace the remote control 3. The clutch did not close the clutch with a special key to close the four automatic door opening and closing limit switch when not automatically limit bad repair work, replacement limit switch 5. Power thread reverse swap power cord 6. Automatic doors in one direction does not automatically limit the adverse overhaul limit switches work, replace limit switches. 1. Check whether powered electric retractable door control systems offer, if not, the power; 2, check the label on the back of the remote control handle remote control code shown in part on the back of the remote receiver remote control code labels that are consistent, if inconsistent retractable door manufacturers , then find a unified coding or ask a professional maintenance staff re-encoding; 3, the circuit itself is the problem, such as Weld, weld, etc., determine methods: 4. Press the remote control in an energized state, off, after the stop button retractable security door, listening to the nose functional circuit relays with or without sound, and observe the indicator light in the functional circuit; if there is no response, please replace the door row line (line connected between the junction box and the function of the circuit), or check whether there might reverse; if not, please find professionals to repair or replace the function of the circuit. Door does not close the rope, ie, normal closing inlet regressed phenomenon. Automatic retractable door retractable door _ _ Taiyuan strong Sheng Door Industry (View) provided by Wanbailin district-Sheng distribution of stainless steel products. Wanbailin district-Sheng Stainless Steel Products Distribution Division (www.sxqsmy.net) quality services and products, and are subject to approval and trust of new and old customers and the industry. Our company is a certified member of the whole network Commercial Union, Commercial Union Support icon on the page, you can talk directly to our customer service staff, to our future cooperation happy!