Author Topic: Makita bmr100  (Read 305 times)

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Offline christensenTopic starter

  • Newbie
  • Posts: 6
  • Country: gb
Makita bmr100
« on: July 24, 2023, 12:27:25 pm »
Hi,

I got a Makita bmr100 with error displaying and no power up. just 'E' and discharged battery simbol.
It is happening after using a while (30 min) and than constantly. If i stop it will not turn on, or if i leave on after a while will stop it and will display the error.
When i remove the power and reaply it will work a few minutes(depend how long was working).
On the board cannot find anything overheating. The test i've run with/without auxiliary battery and doesn't made any difference.

I've separated the boards and tested independently, the issue is from controller board (display).
During testing i've noticed that when DC-Ref pin 44 of TC9318AFAG controller will drop. don't know if it's the cause or effect.
 


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