glnc222 wrote:With noise from the wheel drives, I would disassemble the wheel assemblies and check for dirt in the gears. One user reported such after long use. Short range motion is monitored through tachometers on the wheels. Only examination can tell. There are many points of failure in these machines.
It is possible over USB in test mode, with a long USB cable, to run the drive wheels. I have never gotten the cleaning mode tests to work, engaged after giving the command, and may just not know the procedure. I can run the drive wheels separately. Perhaps the USB cable must be unplugged for the other tests. I used the terminal emulator for these commands.
glnc222 wrote:A Multimeter with frequency and duty cycle scales could compare signals on the two motors and maybe reveal what is broken. Some wheel assemblies are sold around $40.
I refer to the Powerbot not Navibot, a larger machine with very expensive large battery. The 7000 announced for this year will be more interesting. Botvacs are less expensive than top of the line Roomba. See Samsung forum.
You are supposed to have a two year warranty under EU regulations in Europe.
JEfromCanada wrote:I prefer the methodical navigation on Neato's as well. However, the new iRobot 980 uses a camera for methodical navigation.
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