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McAllister 18v Solo

Started by Quovadisuk, June 01, 2024, 06:14:15 PM

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Quovadisuk

Hi all, I have inherited a 18v solo battery mower, run for 30 seconds then stopped? Model MLM 2834 li
These are the things done so far :

Checked battery (Good)
Checked switch and cabling (good )
Used continuity meter to check again

Stripped out motor checked cabling

Set up motor switch and battery on bench and checked again ... no go either

I want to check motor direct but not sure what cabling to use ? Which one is neutral and which one is live ?
There is a sealed module unit, how does one test this ?

The dead man's bridge is fine also

Any suggestions the cables to the motor are yellow blue and green

Is there a tech repair  manual for these ?
 The only thing I can come up with is the electronic sealed unit may be faulty ?  :hmm:

Mick

Hi Quovadisuk and welcome to TGMF.

I'm not familiar with this exact machine, but in theory yes it does sound like the motor controller has gone bad.  By your description It's a three phase brushless motor which requires a controller to function. Unfortunately it can't run without it.

I will see if I can find any info on the machine.
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