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Re: [RoboMower] Re: Erratic behavior RM400 (wire outside)

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  • Danny Miller
    Try the calibrate wire sensors . You need to have the wire on, and the mower needs to inside the wire BUT IIRC not NEAR the wire. Danny
    Message 1 of 7 , Jun 7, 2013
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      Try the "calibrate wire sensors". You need to have the wire on, and the
      mower needs to inside the wire BUT IIRC not NEAR the wire.

      Danny

      On 6/7/2013 10:18 AM, rann_georgia wrote:
      > I always try to look at the simplest things first.
      >
      > I know you ran an ohm test but rule out any break 100%. I know that the newer models can be picked up a lot easier on an FM radio than the older ones. But, even the older ones can be picked up.
      >
      > I take an old FM radio with a metal antennae, point it just above where the wire is and tune it to static. I can barely hear the disturbance in the wire, if it's good. After the break, the sound changes. But, first I would point that at the transmitter (docking station) and if you don't pick up a signal, I think you've found your problem.
      >
      > If you're getting a signal from the transmitter (docking station) but not from the wire, you likely have a bad connector that connects the perimeter wire into the docking station board. They're fairly cheaply made and loose contact or have for me. Rather than try to clean it, I discovered that they can be bought at a local electronic parts store cheaply. Just take the old connector with you. Clean the wire before reconnecting. A dialectic paste might help prevent bad contact in the future.
      >
      > The other thing that would be a simple test would be take about 20 feet of wire, connect it in a loop to the main transmitter (docking station) you're using and make it just big enough to put the mower inside it. That would also rule out a wire break. Or, I'd try using a remote transmitter, if you have one, to rule out the docking station isn't putting out a signal.
      >
      > Maybe the contacts just need cleaning on the mower. The display/remote can be easily removed from the mower unit. It plugs in like a telephone. That's an easy thing to do and clean the contacts with rubbing alcohol. Could be that it's just not making full contact.
      >
      > Otherwise, I'd think the fault would be in the mower somewhere.
      >
      > --- In RoboMower@yahoogroups.com, "b0omsling" <brettandheidi@...> wrote:
      >> Anyone?
      >>
      >> --- In RoboMower@yahoogroups.com, "b0omsling" <brettandheidi@> wrote:
      >>>
      >>> I've had a new error this tome, it sits there with "waiting for signal" on the display.
      >>>
      >>> I tested the perimeter wire with a digital volt meter and its reading 1.6 Ohms, reading somewhere else it said it should be under 5 ohm so this is good news.
      >>>
      >>> I'm now delving into the service menu and Ive spotted a setting for the base station, its will allow me to set the power, its currently set on 0.9amp, reading the power supply it says 0.2 amps so should I change this setting?
      >>>
      >>> Can someone please advise?
      >>>
      >>> Thanks
      >>>
      >>>
      >>>
      >>>
      >>> --- In RoboMower@yahoogroups.com, "b0omsling" <brettandheidi@> wrote:
      >>>> HI
      >>>>
      >>>> Hoping this is a simple fix
      >>>>
      >>>> My RM400 will go around the perimeter fine but every now and then when it start doing inside the wire it will just stop, back up a foot or sot, pause again and then move,. Some time it will repeat this until it stops altogether and will display 'Wire Outside' on the screen=. Other times it will just flash up 'Wire' on the display and search for the perimeter wire, go to it and the carry on.
      >>>>
      >>>> My law is quite bumpy so I thought it might be due to the mowing height but observing it( and have set the height to 2 inches) it never ground out on the blade guard.
      >>>>
      >>>> I also thought it might be because of a bad signal from the wire so I went and stumped up the cash for the office wire but it still displays the same behavioral pattern.
      >>>>
      >>>> Could it be the bumps in the lawn making the front wheel think its leaving the ground?
      >>>>
      >>>> I'll throw up a video on you tube so you can see. and update this with a link.
      >>>>
      >>>> Hoping you can advise and its a simple fix.
      >>>>
      >>>> Regards
      >>>>
      >>>> Brett
      >>>>
      >
      >
      >
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