Products > Other Equipment & Products
Dyson v7 Trigger cordless vacuum - TEARDOWN of battery pack
ruddlescounty:
Slightly related, sorry! with all the experience on here - does anyone know what the 10 red flashing light sequence means on the dyson SV03? i have balanced a battery previously refusing to charge; all looking good (reporting 1700mah capacity) but when i put it into the vacuum i get the 10x red. the batt still has its cover off and balancing cables soldered on - but i cant see any "body" switches inside to check for this.
so, just asking in case anyone knows...
rulof:
apparently, a strong voltage drop during start-up. 10 red is an error in the charging process. if you replace the batteries should work fine.
ruddlescounty:
thanks for the reply.
got a few of these dyson batteries.
Is there anywhere i can see a list of codes and meanings?
latest one is 10x BLUE flashes. this is after i have rewritten eeprom from a 32x red flash battery.
several balanced charge/discharge cycles later - all indicating approx 1550mAh capacity, i now get the 10xBlue when i press the battery button.
any ideas?
thx
rulof:
--- Quote from: ruddlescounty on March 08, 2023, 05:56:42 pm ---thanks for the reply.
got a few of these dyson batteries.
Is there anywhere i can see a list of codes and meanings?
latest one is 10x BLUE flashes. this is after i have rewritten eeprom from a 32x red flash battery.
several balanced charge/discharge cycles later - all indicating approx 1550mAh capacity, i now get the 10xBlue when i press the battery button.
any ideas?
thx
--- End quote ---
it's clear without ideas here.
it is necessary to replace the batteries.
tinfever:
--- Quote from: rulof on March 09, 2023, 10:54:01 am ---
--- Quote from: ruddlescounty on March 08, 2023, 05:56:42 pm ---thanks for the reply.
got a few of these dyson batteries.
Is there anywhere i can see a list of codes and meanings?
latest one is 10x BLUE flashes. this is after i have rewritten eeprom from a 32x red flash battery.
several balanced charge/discharge cycles later - all indicating approx 1550mAh capacity, i now get the 10xBlue when i press the battery button.
any ideas?
thx
--- End quote ---
it's clear without ideas here.
it is necessary to replace the batteries.
--- End quote ---
I'm not sure you necessarily need to replace the cells. I'm not sure there is any good info out there on what the stock firmware LED codes mean, specifically. I'd check the Dyson manual for any clues and Google around but if you can't find any info on that blink code, it's possible no one knows. You could flash my custom firmware (FU-DYSON-BMS) to get more specific LED codes if you wanted. Also, make sure it isn't something simple like the battery needing to be plugged in due to a fully_discharged flag being set or something, or the battery turning itself off because it isn't seeing a large enough load. Other than that, it's possible your cell capacity is okay but the ESR is too high so as soon as you try to use it with a high current load like the vacuum, the cell voltage drops and it goes in to low voltage cutoff.
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