Elevator Problems & Solutions 2017-2018

Elevator Problems & Solutions 2017-2018

Are you’re Googling “Elevator Problems and Solutions” while searching for solutions to common elevator problems, this post should help!

There are many different reasons that an elevator could start to not function properly, which ranges from it being an older operating system to having worn out sheaves. There can be various failures with elevator equipment, which could otherwise be prevented by having a regular scheduled maintenance and preventative inspections. By having your elevator equipment inspected on a regular basis you can be reducing the amount of down time by enhancing its productivity and at the same time, lowering your energy costs by up to 15%.

Whenever your elevator is no longer keeping its average waiting time or signs that it is starting to break down, it could be a sign of it wearing out. Obvious issues may not include signs such as overheating, lower power, or a higher amount of energy use, all of which may lead to some hidden costs. By sticking to some simple maintenance practices of the elevators motor, you could be saving yourself unnecessary expenses and lower its down time.

The most common problems with elevators & their repair solutions

Listed below are some of the most common problems that elevators have, and the solutions that will help in preventing them:

1. Problem with worn sheaves

Worn sheaves can cause extra wear to the ropes and this can cause the sheaves to wear out even more.

The repair solution for the worn sheaves:

In order to prevent the premature loss of the elevators hoist rope, you would need to either re-grove the sheaves or have them replaced. First, you will want to check the groves to ensure that there is a proper fit in between the sheaves and the rope. You can also use the tools that are specifically made to help in checking to make sure that the sheaves are wearing evenly.

2. Power Failure Problem

It takes a huge amount of power to run commercial elevators. There can be damage to the motors operation or even damage to the entire system when the voltage used for running the elevator is upgraded, so if there is a history of motors problems you need a power quality survey performed.

The repair solution is an infrared inspection:

“Using infrared thermography can measure any drastic temperature changes while being able to identify potential spots for trouble prior to becoming a costly system failure. The common faults like under or over voltage can easily be found using power quality surveys as well as fuses which run hot, these can be detected using infrared imaging prior to motor failure.” [1]

3. Contamination

After the wearing starts, it will begin releasing small metal particles, which are sent into its oil and will create further issues to the elevators functioning ability. If you are not giving your elevator the proper lubrication or if it has worn seals, it can cause it to get contaminated.

Repair solution is to have an oil and lubrication analysis:

You can check for motor wear and/or contamination by performing an oil analysis.

4. Bearing Malfunction of bearings or has a noisy bearing

Many of the motor failures will be due to bearings malfunctions. Bearings that are noisy is usually due to the vibrations of the motor. The motors energy can be lowered by the variable frequency drives, causing mode currents that will do damage to the elevator by making the elevator vibrate and this could be dangerous, causing the bearings to wear more from the stray currents.

The repair solution is the use of Inductive Absorbers:

Using Inductive Absorbers is a good solution for this. CoolBLUE can absorb its currents and protect its system from breakdown at the same time. In addition, making sure the grounds are still connected, and all lower issues are secure that have been caused from the electrical noises of the ground, which can also cause the system to trip.

5. Mis-aligned Motor Drive

Always pay attention to the alignment of the electrical motor anytime it has been coupled with any other equipment. The motor bearings will wear out if it has an improper alignment.

Repair solution is to have a motor alignment:

You can detect the correct alignment or a misalignment with the use of advanced laser measures. It can also be done with a straightedge and a string. Of course, You can always go out and buy a gear machine, these have a flange mounted motor and will not need to be aligned whenever it is disassembled.

6. Failure To Open Elevator Door

When you elevator door fails to open, it can be a scary event, even more so if it’s warm in the elevator compartment or elderly people are on board.

Failures to open the elevator doors are a scary event, especially if the temperature in the elevator compartment is warm and elderly persons are on board. Furthermore, open and close failures where sensors fail to recognize legs or hands can cause the elevator door to close and pinch hands, arms or legs. This pinching can lead to limb loss, and(or) crushed bones. “Malfunctioning door operators are the cause and special attention needs to be made to the lading door locks and interlocks.” [2] Normally, these elevator malfunctions don’t cause major injuries to their passengers, but the experience, depending on the duration of time and severity of injuries can lead to potential lawsuit for damages.

Repair solution is to have a your door sensors inspected or replaced:

If you have a defective alignment on the door sensors or they are no longer working, you should get your elevator door sensors repaired. Furthermore, if the motor that opens and closes the door is bad, you will need to get it repaired or replaced.

Thanks for reading “Elevator Problems and Solutions 2017”.

Cited Sources

  1. “Elevator Problems & Solutions 2017.” Colorado Elevator Solutions, 23 May 2017, coloradoelevatorsolutions.com/elevator-problems-solutions/.
  2. “Benson & Bingham Summerlin.” Types of Escalator or Elevator Malfunctions and How They Lead To, www.bensonbingham.com/types-of-elevator-escalator-malfunctions-that-lead-to-accident-injury.

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