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Frequently Asked Questions

Specific information about the models available in your area is located here.

  1. How does it work and how does it know where it is going?
  2. What happens to the clippings?
  3. Is the set up difficult and how long will it take?
  4. Do I have to bury the 'perimeter' wire?
  5. How do I know it will work for my yard?
  6. I have trees and other objects in my lawn. How will it work with them?
  7. What about slopes?
  8. How long will it take to mow my lawn?
  9. How do I know which Robomow® model to choose for my yard?
  10. Is the height of cut adjustable?
  11. What is the life of the power pack?
  12. Is the mower safe, I'm worried about it running when I am not around?
  13. If I cut my lawn while I am away or at night, I'm afraid it will be stolen.
  14. Does rain or water hurt the mower?
  15. I really enjoy mowing the lawn, besides this is just pure laziness.
  16. Since it moves across the lawn in many different directions, won't I have lawn stripes that make my lawn look like a puzzle?
  17. But I like stripes on my lawn...
  18. Do I have to keep up with the charging process and unplug the charger when the battery becomes completely charged?
  19. Will it work with an invisible dog fence?
  20. What is the cost of electricity to recharge the battery?

How does it work and how does it know where it is going?

See Robomow Wire Layout VideoA small wire is pegged to the ground around the perimeter of your lawn, a similar type of technology that invisible pet containment systems use. This is a one-time setup and takes about as long as it does to mow your lawn one time. This wire will virtually disappear from sight in two to three weeks in normal growing conditions. This wire forms the virtual fence for the Robomow®, containing it to the area you are mowing.

See Robomow Navigation VideoRobomow® RL models use an onboard navigation system, monitoring their position relative to the wire around the lawn. In addition, they are always aware of the current driving direction and distance traveled. This is done by means of an internal compass-like device. This device provides the data, which the mowers use to determine the next most efficient path for them to take.Learn how simple it is »
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What happens to the clippings?

See Robomow Mulching VideoThe Robomow®is dedicated mulcher, and the healthiest way to manage clippings for your lawn. It mulches in one or three separate chambers using high RPM motors (5800 RPM). The result is more effective mulching than most conventional mowers, leaving smaller clippings that disappear into the roots of the grass. These smaller clippings provide for quick decomposition into a natural fertilizer for your lawn. There is absolutely no need to collect the clippings. For more information about Grasscycling, click here.
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Is the set up difficult and how long will it take?

The set up is quite easy, involving staking a wire down to the perimeter of your lawn. Complete instructions are included in the operating manual. In addition a small ruler is included to help guide you in the installation. The average set up will take approximately 1 to 3 hours.
See Robomow in actionclick here for a video »
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Do I have to bury the 'perimeter' wire?

No, in fact most people simply stake it down to the lawn, at the ground level. The pegs (also called stakes) hold it down to the ground, and the grass grows over and covers it very quickly. You may bury it up to 3-4 inches (7-10cm) if you desire.
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How do I know it will work for my yard?

If your yard can be cut using a walk-behind mower, Robomow® will work in your yard. (Top)

I have trees and other objects in my lawn. How will it work with them?

Trees or other areas within the lawn that should not be accessible to the mower are handled in one of two ways. If the object is rigid and at least six inches (20cm) tall, the mower simply bumps into them, as the bumper sensors will detect the small impact and cause the mower to change direction. Other areas, like a flowerbed or swimming pool, are excluded from the cutting area by using the same wire as installed on the perimeter. The object is simply looped out during installation of the perimeter wire. The inbound and outbound leads of the wire used to loop out the object are installed right next to one another. This causes the signal in this section of the wire to cancel, allowing the mower full access around the obstacle, but keeping it out of the area excluded.
See Robomow in actionclick here for a video »(Top)

What about slopes?

If a slope is currently being cut safely with a walk-behind, the Robomow® will handle it fine. (Top)

How long will it take to mow my lawn?

Generally speaking, it takes a bit longer for the Robomow® to mow than a walk-behind mower, but this is insignificant since you can do other things while the mower is busy. Total time will depend on size of yard and also on the model chosen. Remember, with Robomow® you may cut your grass whenever you choose, any time day or night. Since you are free to spend this time elsewhere, it is truly a time-saving product. (Top)

How do I know which Robomow® model to choose for my yard?

There are 2 basic criteria to consider: size of the lawn and whether with a Base Station or not. The RL1000 and the RM400 are both supplied with a Base Station, providing full automation. These models will automatically depart from the Base Station at the pre-set scheduled times. With other models, all you have to do is drive Robomow to the lawn and press the GO button. To see the full comparison between models, click here. (Top)

Is the height of cut adjustable?

RL models:
Yes, see the specifications table for details. This is controlled from the front wheel and a rear wheel ground clearance adjustment.
See Robomow in actionclick here for a video »


RM models:
Yes, see the specifications table for details. Simply lift Robomow cover and rotate the height adjustment knob. (Top)

What is the life of the power pack?

When properly maintained, two to four years on average. (Top)

Is the mower safe, I'm worried about it running when I am not around?

The customer needs to decide if running un-attended is right for their situation or not. Whether it does or does not, the Robomow® will still save the customer time and provide a convenient way to maintain their lawn. The mower currently meets or exceeds all CPSC mandated requirements for walk behind mowers. In fact, the blade stop speed on the Robomow® is 60% faster than required, something not found on any walk behind mower today. Additionally, the safety sensors to detect bumping into an object, sensors to detect a lift of the cutting deck, child lock safety features and manual operator presence controls all add in significant safety measures and systems to the consumer, far above that found on conventional walk mowers today. Simply the safest way to mow your lawn. (Top)

If I cut my lawn while I am away or at night, I'm afraid it will be stolen.

Most Robomow models include a TheftGuard theft deterrent system, which enables you to select a personal 4-digit code that must be entered for each use. The mower is totally useless to anyone else without the code. The RL mowers weigh approximately 75 pounds (35 kg) with battery, so it is not easily carried away. If the mower is operating, one must know how to stop it. Robomow is very quiet, so it will attract little attention when running unattended. While theft of our personal property is an unfortunate aspect of our daily lives, we have seen no trend for theft of the Robomow ®. This is of course a personal decision, and must be weighed on your own experience in your community and neighborhood. (Top)

Does rain or water hurt the mower?

Under normal circumstances, a unit exposed to rain will not be damaged. We would not advise putting the mower into operation during a severe storm, however should it begin raining while it is operating, there is no problem for the Robomow®. We do not recommend washing the unit with a water hose, particularly from the underside. (Top)

I really enjoy mowing the lawn, besides this is just pure laziness.

While many people enjoy mowing their lawn, most enjoy other activities more. Activities such as spending time with the family, golfing or gardening to name a few examples. The Robomow® is no different from many other products we use everyday. A dishwasher washes our dishes, a washing machine washes our clothes and answering machines answer our phones. These are all time saving products, just like the Robomow®. It is not laziness by any means, but a more intelligent way to manage your time, so you can spend it on other more enjoyable activities. Simply the next logical step in lawn mower design. (Top)

Since it moves across the lawn in many different directions, won't I have lawn stripes that make my lawn look like a puzzle?

The Robomow® does not leave stripes on your lawn after cutting, it leaves a striking smooth uniform appearance. Since it does not create a large air flow from the blade rotation it will not lay the grass down similar to a walk mower, which is what creates the stripes. However, since it is moving across the grass in all directions it offers a much better quality of cut than a traditional walk behind. (Top)

But I like stripes on my lawn...

A traditional walk mower has to leave stripes, there is no choice. So, if you must have stripes, it would be preferable to have them look nice and neat. With the Robomow®, there are no stripes, so no need to worry. (Top)

Do I have to keep up with the charging process and unplug the charger when the battery becomes completely charged?

No, the charger is equipped with a float control, allowing the charger to remain connected at all times without risk of damage. In fact, this is the recommended procedure between uses and for winter storage. (Top)

Will it work with an invisible dog fence?

The Robomow® has been tested with several different systems, with little or no adverse effect. (Top)

What is the cost of electricity to recharge the battery?

This depends on the model you are using, size of yard and frequency of operation, but typical figures are very low, no more than $10 for an entire year of operation. (Top)