Automatic doors are divided into automatic revolving doors, automatic curved doors, automatic sliding doors, automatic induction doors, automatic sliding doors for emergency evacuation, automatic overlapping doors, automatic folding doors, 90-degree automatic swing doors, fast doors and many other categories. Commonly used in hotels, airports, restaurants, and other places. Both convenient for people to travel and beautiful and generous have been widely used.
Analysis of common causes of failure of automatic doors.
First, the automatic door switch when the automatic door running speed is too slow.
(1) the controller speed adjustment is too slow, to adjust to restore speed.
(2) abnormal voltage, check whether there is a problem.
(3) belt may be too loose resulting in slow running.
(4) stop the wheel and track friction, and clean up the track to improve the running speed.
(5) the movable door fan may be friction with the floor, movable door fan or friction with the rail, movable door fan, or friction with the fixed door fan.
Second, the automatic door does not stop since the opening and closing
(1) there are moving objects in the sensing range, such as pedestrians, vehicles, animals and even the shadow of the tree caused by the automatic door non-stop opening and closing.
(2) automatic door piece switch encounter obstacles, may also be the detection range of the induction probe is adjusted too downward, when the door is about to close, the probe and sensed the active door or other obstacles, detection induction device mistakenly think that someone is moving, so that the door is opened again.
(3) the radar sensor failure, may be fixed in the induction probe on the beam plate jitter phenomenon, so that the induction probe jitter, causing the door to keep switching, need to check.
Third, the automatic door jittering when the door is running
(1) underground guide rail or stop pendulum with obstacles or wear and tear leading to door shaking. (2) mobile swing and track wear and tear or obstacles lead to door shaking.
Fourth, the automatic door can not open
(1) sensor failure, check that the sensor induction light is normal, such as abnormal contact maintenance as soon as possible.
(2) belt off the door fan can not run normally.
(3) wire joints lose rubber (short circuit).
(4) controller burned out needs to be replaced.
(5) may be overheated motor, to be cooled to resume normal operation.
(6) foreign objects stuck in the door fan.
(7) abnormal voltage, re-open try.
Automatic door failure repair method introduced.
First, the automatic door speed is too slow when the door is opened and closed solution
In the case of automatic door body normal no problem, first to the automatic door lubrication of various operating parts, adjust the belt elasticity or controller, and then check and adjust the voltage to see if there is a problem, and then see if the speed of the automatic door is normal, if not in accordance with the following method of inspection and repair.
1, track and automatic door pulley abnormal: this reason may account for a significant proportion of the automatic door after a large load of running non-stop switch, the most common wearing parts is the pulley and guide, if not replaced in a timely manner will appear when the door fan running jumping, running speed slowed down and other phenomena, need to be replaced.
2, the lower part of the automatic door guide system is abnormal: such as the ground stop wheel, external stop, U-shaped stop slot and other wear and deformation can be seen with the naked eye, will cause the door to run obstructed, not smooth, slow running speed, door swing and other problems.
3, the motor or controller failure: the chances of this problem is not a lot, such as controller control signal problems, resulting in the automatic door machine is always in the low-speed learning state, or motor (automatic door motor components) of the gearbox problems, resulting in variable speed turbo wear, or can not be tightly occluded, there will be running powerless, jitter and another failure phenomenon, you need to find a special person to replace.
Second, the automatic door keeps opening and closing from the solution
First check the automatic door induction range whether there are obstacles or moving objects, timely cleaning, if not, check the test sensor is not working properly, can not work properly, then replace it. In adjusting the automatic door induction range, see if it is too far down.
Third, the automatic door operation door shaking solution
The door fan spreader wheel because of the long time running (automatic revolving door average speed is 4 rpm, according to the daily operation 10 hours, annual operation 876,000 rpm) will produce certain wear, such as the emergence of only minor wear, you can track and wheel maintenance cleaning, you can also add a little lubricant to the wheel bearing, but not to the track and plastic wheel oil injection, because the oil injection easy to absorb Dust, will make the wheel damage more quickly. If the damage is more serious, it is necessary to replace the new one.
Some of the metal connections are loose and need to be reinforced. Damage to the lower guidance system will also cause the sound, the door shaking phenomenon. The movable door fan and fixed door fan have noise shaking due to the phenomenon of friction. The Upper beam in the initial construction did not do a good job, or the upper ceiling produced a resonant jitter phenomenon.
Fourth, the automatic door fan can not open the solution
1, the door fan does not move, of course, the first thing to check is whether the power is on, if it is due to power failure reasons reconnected to the power supply can run normally.
2, whether the active door fan dragging phenomenon, if there is this phenomenon, the door the start will be very hard, the main controller will think there are obstacles and self-locking protection, so that the door fan to stop moving.
3, check that the spreader wheel part of the door fan is not off from the track, if the phenomenon, the door fan will not move, you can contact the maintenance staff for repair.
4, check whether the induction automatic door is installed "security light", security light on the light receiver covered with dust will also cause misoperation so that the main control of the automatic door mistakenly thinks there are objects in the middle of the door, so as to stop closing the door, not moving.
5, check-in turn whether there are foreign objects, check the voltage, sensors, controllers, belts, wire connectors and other components.
6, if you do not know what causes it is necessary to contact HEINDA's specialized personnel for maintenance.
