Yizhuang roller shutter door repair roller shutter door repair manufacturer in Daxing District

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Rolling shutter door repair manufacturer in Yizhuang, Daxing District, Beijing, electric rolling shutter door repair price. Due to the frequent entry and exit of vehicles at some gates and the frequent opening and closing of the gates, some problems have occurred recently. Here is a summary of some common faults we encountered during maintenance. The motor does not move or rotates slowly. The cause of this fault is usually the wiring. It is caused by the circuit breaker, the motor being burned out, the stop button not being reset, the limit switch acting under a large load, etc. Solution: Check the circuit and connect the replaced burned motor. Replace the button or press the limit switch slider several times to separate it from the micro switch contact, and adjust the micro switch position to check whether the mechanical part is jammed. If If there are any, remove the jam and clear the obstacles. The location and cause of the control failure failure. The electrical contactor contact is stuck. The travel microswitch has failed or the contact piece is deformed. The slider tightening screw is loose and the backing plate is loose. The screw is loose and the backing plate is displaced, so that the slider or nut cannot rotate with the screw rod. The moving limiter transmission gear is damaged and the up and down buttons are stuck. Treatment method: Replace the relay contactor. Replace the micro switch or contact piece. Tighten the slider screw and reset the backing plate. Replace the limiter and transmission gear. Replace the button. The hand zipper does not move. The cause of the problem is that the ring chain blocks the cross groove pawl and does not break away. The ratchet chain press frame is stuck. Treatment method: Straighten out the ring chain, adjust the relative position of the pawl and the chain pressure frame, replace or lubricate the pin. The motor vibrates or makes a lot of noise. Causes of the fault: The brake disc is unbalanced or broken. The brake disc is not fastened. The bearing loses oil or fails. The gear mesh is not smooth, the gear loses oil or is severely worn. The motor current sounds or vibrates. Solution: Replace the brake disc or readjust the balance. Tighten the brake disc nut. Replace the bearing. Repair the motor shaft output end gear. Lubricate or replace it. Check the motor. If the motor is damaged, replace it. Welcome new and old customers to call and write for consultation and business negotiation. At the same time, we also welcome new and old customers to provide us with valuable comments and suggestions! Contact person Han Zhenlong phone number