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 Rank: Beginner Level 1 Groups: Registered
Joined: 06/01/2019 Posts: 9 Points: 27
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Hi,
I think this may have been on another post but i can't seem to find it again so starting a new one.
My R2 fails to start up altogether. I have checked the battery pack with a multimeter as suggested on other posts and the reading is good.
The only signs of life i get is if i push and hold the power button on the front, the lcd screen lights up and the blue lights in the legs turn on.
All the connections seem okay and i have tried it with mains connected and battery pack. I have checked the on off rocker switch and the symptoms above only happen when in the on position.
Is this a main board issue, is there anyway of checking where the power is getting lost?
Any advise would be appreciated.
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 Rank: Semi-Pro Level 2   Groups: Registered
Joined: 11/01/2017 Posts: 89 Points: 259 Location: Lancashire, UK
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What batteries are you using? Do you have a link to where you purchased them from?
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Rank: Beginner Level 1 Groups: Registered
Joined: 06/01/2019 Posts: 9 Points: 27
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Hi James
I purchased the INR18650-30Q batteries recommended on other posts from 18650.uk
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Rank: Semi-Pro Level 2 Groups: Registered
Joined: 11/01/2017 Posts: 89 Points: 259 Location: Lancashire, UK
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Blobster1975 wrote:Hi James
I purchased the INR18650-30Q batteries recommended on other posts from 18650.uk So this one, button top? BATTERY LINK
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Rank: Beginner Level 1 Groups: Registered
Joined: 06/01/2019 Posts: 9 Points: 27
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Hi,
Yes, they are the ones I purchased. I bought 3 pairs.
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Are you getting 12.3 volts at the end of the battery box leed. Current builds:-C57,Zero, Lamborghini Countach, Caldercraft HMS Agamemnon,Robi,R2-D2, MFH Cobra .
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Rank: Beginner Level 1 Groups: Registered
Joined: 06/01/2019 Posts: 9 Points: 27
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It is an analogue multimeter but yes looks to be about that, just over 12V
Thanks
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Can you check all conections are good and that all labels have been allocated correctly please. Current builds:-C57,Zero, Lamborghini Countach, Caldercraft HMS Agamemnon,Robi,R2-D2, MFH Cobra .
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Rank: Beginner Level 1 Groups: Registered
Joined: 06/01/2019 Posts: 9 Points: 27
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Thanks, I'll have to dismantle R2 to get to some connections but will take a look and let you know
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Rank: Beginner Level 1 Groups: Registered
Joined: 11/01/2019 Posts: 9 Points: 27
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I’m getting the exact same symptoms as you. Just two LEDs on his legs and the one lcd panel when I keep hold of the buttons.
You had any joy dismantling yet? I’m going to try dismantle mine today. Multimeter readings look good.
Wonder if I should order a replacement MCU
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 Rank: Pro Groups: Joined: 24/08/2009 Posts: 48,827 Points: -13,348
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m0nkey88 wrote:I’m getting the exact same symptoms as you. Just two LEDs on his legs and the one lcd panel when I keep hold of the buttons.
You had any joy dismantling yet? I’m going to try dismantle mine today. Multimeter readings look good.
Wonder if I should order a replacement MCU Can you first provide a link to the batteries you have purchased?
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Rank: Beginner Level 1 Groups: Registered
Joined: 06/01/2019 Posts: 9 Points: 27
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I will be dismantling today and will let you know the progress
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Rank: Beginner Level 1 Groups: Registered
Joined: 11/01/2019 Posts: 9 Points: 27
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Tomick wrote:m0nkey88 wrote:I’m getting the exact same symptoms as you. Just two LEDs on his legs and the one lcd panel when I keep hold of the buttons.
You had any joy dismantling yet? I’m going to try dismantle mine today. Multimeter readings look good.
Wonder if I should order a replacement MCU Can you first provide a link to the batteries you have purchased? I got these ones, they all test okay on a multimeter. And all charged to full using the supplied charger / tester. https://www.ecoluxshopdi...00mah-10a-button-battery
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Rank: Beginner Level 1 Groups: Registered
Joined: 11/01/2019 Posts: 9 Points: 27
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Blobster1975 wrote:I will be dismantling today and will let you know the progress Thanks Blobster1975, I’ll let you know how I get on too!
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Rank: Beginner Level 1 Groups: Registered
Joined: 06/01/2019 Posts: 9 Points: 27
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Hi, I have completed the dismantle and can confirm all cables are labelled correctly and the are no bent pins.
Where do I go next.
Thanks
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Contact C/S for a replacement MCU. Current builds:-C57,Zero, Lamborghini Countach, Caldercraft HMS Agamemnon,Robi,R2-D2, MFH Cobra .
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m0nkey88 wrote:Blobster1975 wrote:I will be dismantling today and will let you know the progress Thanks Blobster1975, I’ll let you know how I get on too! Could you start your own thread about your R2 problem please so we dont get conflicting sollutions to either of your problems. What is the battery reading you are getting at the end of the battery lead and across all batterys please. Current builds:-C57,Zero, Lamborghini Countach, Caldercraft HMS Agamemnon,Robi,R2-D2, MFH Cobra .
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Rank: Beginner Level 1 Groups: Registered
Joined: 06/01/2019 Posts: 9 Points: 27
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arpurchase wrote:Contact C/S for a replacement MCU. Thanks, how do I contact c/s please
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Rank: Pro Groups: Joined: 24/08/2009 Posts: 48,827 Points: -13,348
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Blobster1975 wrote:arpurchase wrote:Contact C/S for a replacement MCU. Thanks, how do I contact c/s please The number is on the inside front cover of the magazine, mon-fri 9-5
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Rank: Beginner Level 1 Groups: Registered
Joined: 06/01/2019 Posts: 9 Points: 27
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Thanks. I'll order and let you know if this resolves the issue.
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