Side-by-side reliability

Dyson V15 Detect Absolute vs iRobot Roomba Combo j9+

Compare reliability signal, data confidence, common failures, typical age, and reported repair cost. Warranty window reference: 12–12 months depending on category.

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Model A

Dyson V15 Detect Absolute

Reliability signal — · Insufficient data · data confidence Very Low

4 failure reports · Insufficient data · Very Low confidence
Most common failure
Stops after 2–3 seconds just after 2-year warranty (DE)
Typical failure age
2 yr
Median repair cost
—
Highest reported repair
—

Median months

24

% mfr warranty

0%

After warranty reports

2

Avg repair cost

—

Top failure categories

  • Stops after 2–3 seconds just after 2-year warranty (DE)1
  • Motor shutoff from failed capacitors after ~24 months1
  • Repeated shutdown after a few seconds of suction1
  • Premature total failure after about one year1
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Model B

iRobot Roomba Combo j9+

Reliability signal — · Insufficient data · data confidence Very Low

4 failure reports · Insufficient data · Very Low confidence
Most common failure
Fire / ignition
Typical failure age
0 mo
Median repair cost
$0
Highest reported repair
$0

Median months

0

% mfr warranty

100%

After warranty reports

0

Avg repair cost

$0

Top failure categories

  • Fire / ignition1
  • First unit failed after two jobs; replacement dock still fails reverse-refill ~50%1
  • Recurring Error 30 from week one despite 4+ repairs including motor-head replacement1
  • Clean Base charging contact missing/failed — robot dead for a month1
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