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Vacuum Cleaner

iRobot Roomba j7

What is likely to break, when it happens, and how expensive it can be — from source-linked reports.

Reliability signal — · Insufficient data · data confidence Very Low

1 failure reports

Release year: 2021

Reliability summary

What is likely to go wrong, when it happens, and how expensive it can be — from source-linked failure reports.

Reliability signal

—

1 failure report · Insufficient data · Data confidence: Very Low

Need at least 5 failure-signal reports before showing an A–F grade.

Most common issue
Hardware error 76
Typical first failure
4 yr
Median of reports with timing
Median repair cost
—
Reported costs only
Highest reported repair
—
Not a guarantee

What breaks?

Failure types

Click a type in the reports section below to filter.

  • Hardware error 761 · 100%

When does it break?

Failure timing

Months after purchase, using reports that included timing.

What does it cost?

Reported repair costs

Distribution of owner-reported repair costs — not a quote or guarantee.

No reported repair costs yet for this model.

Median months to failure

48

Failure reports

1

Median repair cost

—

Still recommend

—

% repaired

0%

% mfr warranty

0%

% extended warranty

—

% support helpful

—

Use these reports as a risk signal, then check current listings before you buy.

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What breaks?

What breaks? · reports

Hardware error 76

Hardware fault (Error 76); battery swap did not fix

48 months

Source-linkedVerify source — Reddit post

Roomba j7 owned since 2021 reports Error 76 'Hardware problem detected.' Owner installed an OEM battery and fully disassembled/cleaned the robot without resolving the error, leaving the unit unusable.

UnverifiedEvidence ★★★☆☆Not under mfr warranty
View report details

Months until failure

48 months

Repair cost

Not stated

Repaired

No

Manufacturer warranty

No

Extended warranty

Not stated

Support helpful

Not stated

Would recommend

Not stated

AI extraction confidence

86%

Verification status

Unverified

Evidence quality

★★★☆☆ (3/5)

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