Do you need a new motor for electric steps?
If the steps move freely with the linkage disconnected, you probably need a new motor, though some people have reported success with just rotating the white plastic gear 180 degrees inside the motor so that the bad spot never gets used. You will need a pair of snap ring pliers to get at the white plastic gear. Look closely at the gear.
When do you need to control the speed of a DC motor?
Often we want to control the speed of a DC motor on demand. This intentional change of drive speed is known as speed control of a DC motor. Speed control of a DC motor is either done manually by the operator or by means of an automatic control device.
What are the different types of speed control motors?
, Ltd. offers a wide variety of speed control motors. Our speed control motor packages include the motor, the driver (controller), and a potentiometer which allows for easy speed control adjustment. There are three speed control motor product groups.
When does a step stop turning the motor?
It will stop turning when it can’t move anymore (i.e. step is fully extended or retracted). The gear linkage has a metal arm that moves the step in and out. When the motor moves the gear, the gear moves the metal arm either in or out which, in turn, moves the step.
What to do if your step motor is not working?
Start by making sure you have power to the step motor. Then trace the wiring all the way to the battery. You are looking for loose or broken wires, poor continuity, bad grounds, or blown fuses. Do not forget to check for faulty parts or bad connections to the door switch sensor and the on/off switch to the steps.
How does the power of a step motor work?
A step motor is a constant output power transducer, where power is defined as torque multiplied by speed. This means motor torque is the inverse of motor speed. To help understand why a step motor’s power is independent of speed, we need to construct (figuratively) an ideal step motor.
How many wires does a stepper motor have?
That is to say, the limiting factor in how much power a motor can deliver is ultimately determined by how much heat it can safely dissipate. Stepper motors have four, six, or eight wires; older motors may have five wires, but they will not be covered here. Four-wire motors are the simplest to connect and offer no connection options.
What should the voltage be on an automatic step RV?
Disconnect the power cable from the motor. Then use a multi-meter to check for a DC voltage reading of around 12 volts when the door switch is activated. NOTE: It’s not important whether the voltage is positive or negative. The motor rotates in the reverse direction when the polarity is reversed (negative voltage).
What should I do if my electric steps stop moving?
Before messing with the motor or the controller, the first thing to check is the steps themselves. The motor stops when there’s too much strain on it (that’s how it knows to stop at full in or out). Try lubricating the steps well (see above) at all the moving joints and see if they move in and out if you help them — if so, they may be binding
How do you check power of electric steps?
Make sure the power plug at the step motor is plugged in and making good contact (wiggle it a little to see if that makes a difference, but keep your body parts away from the steps when you do this!). If none of that helps, you can pull the plug and check the power in the plug with a voltmeter while opening and closing the door.
Why are the gears on my electric steps not working?
It could be that the gears are stripped on the motor (they’re plastic), so it only extends to where the bad spot is on the gears. If you can hear the motor spinning when the steps are stopped, that’s likely the problem. You could still have a bad controller, but in my experience, that’s the least likely possibility.
If the steps move freely with the linkage disconnected, you probably need a new motor, though some people have reported success with just rotating the white plastic gear 180 degrees inside the motor so that the bad spot never gets used. You will need a pair of snap ring pliers to get at the white plastic gear. Look closely at the gear.
Before messing with the motor or the controller, the first thing to check is the steps themselves. The motor stops when there’s too much strain on it (that’s how it knows to stop at full in or out). Try lubricating the steps well (see above) at all the moving joints and see if they move in and out if you help them — if so, they may be binding
Make sure the power plug at the step motor is plugged in and making good contact (wiggle it a little to see if that makes a difference, but keep your body parts away from the steps when you do this!). If none of that helps, you can pull the plug and check the power in the plug with a voltmeter while opening and closing the door.
It could be that the gears are stripped on the motor (they’re plastic), so it only extends to where the bad spot is on the gears. If you can hear the motor spinning when the steps are stopped, that’s likely the problem. You could still have a bad controller, but in my experience, that’s the least likely possibility.
