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How to Fix Encoder problem? Elevator Not moving or Lift jerking issue

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                        ENCODERS    Introduction:  In a closed-loop Elevator system, the Encoder plays the crucial role. Encoder is a feedback device which is given output to drive from motor . Widely the Incremental Encoder is using to the elevator system. I personally heard many technicians mistakenly believe that the Encoder is controls the motor speed, but this is not true. Instead, it only monitors the machine's speed and sends feedback to the VVVF drive of Elevator. In this post we will know about, # Elevator encoder problem  # Lift not moving issue  # Troubleshooting. TYPES:   Incremental Encoder  Absolute Encoder      Working Details:   ✅ The encoder actually converts motion or rotation input to digital signal output from motor to Drive.  ✅ Accurately detecting speed and position  ✅ help maintain smooth operation. Encoder Problem:  ❗Elevator jerk whil...

How to fix Elevator Door is Not Closing?

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Elevator Door is Not Closing Introduction:             An Elevator door is not closed is one of the common issues in commercial and residential buildings. If the elevator door is not close, it’s a make a delay and sometimes safety risk. In this guide we’ll explain the possible reasons for elevator doors is not closing and step by step troubleshooting methods to fix it.  1.Common Reasons for Elevator Door Not Closing  1.1. Obstruction door track or sill Dust or Small objects in a door track or sill Solutions: ✅ Clean the tracks and remove any small objects is there.   1.2. Faulty Door Sensors  Elevator Door sensor (Infrared door sensor) detects objects may if the door panel misaligned or dirty or the sensor faulty.  Solutions :  ✅Wipe the sensor with a dry clean cloth   ✅Check the panel’s alignment    ✅Check the sensor output if not present, replace  it.  1.3. Door Motor Malfunction  If the door mot...