Algorithms / AI with unreliable performance | Annoying features e.g. beeps too much |
Configurations don’t work | Crashes or freezes |
Damaged parts or components | Difficult to clean |
Difficult to maintain | Discoloration |
Distracting features | Doesn’t integrate |
Downtime | Errors |
Excessively fragile | Faulty wiring |
Flawed design | Functions don’t work |
Generally broken | Inaccurate billing |
Inaccurate calibration | Inaccurate sensors |
Incompatible | Inconsistent service |
Inconsistent sizing | Incorrect communications |
Incorrect data | Incorrect dimensions |
Incorrect formulation | Incorrect labels |
Incorrect measurements | Incorrect messages |
Incorrect transactions | Ineffective for use |
Inefficient – excessive resource consumption | Interface changes user input |
Lack of error tolerance | Language issues |
Latent human error - interface makes it easy to make mistakes | Limited range of use |
Localization issues – e.g. sets language based on location | Login or authentication problems |
Loose components | Loose connectors |
Low-quality materials | Misaligned seams |
Missing / lacking functionality | Missing parts |
New item appears to have been used | No expiration date |
Noisy | Not water resistant |
Overheating | Package arrives open / safety seal broken |
Packaging damaged | Pealing paint |
Poor accessibility | Poor battery charging performance |
Poor craftsmanship | Poor durability |
Poor ergonomics | Poor finish |
Poor fit | Poor quality outputs |
Poor quality packaging | Poor service |
Poor stitching | Poor taste |
Poor usability | Premature wear |
Scratches or dents | Security vulnerabilities |
Service accuracy e.g. order incorrect | Short battery life |
Slippery surfaces | Slow performance |
Slow response times | Slow service |
Structural flaws | Thin materials |
Uncomfortable fit | Undercooked / overcooked |
Uneven color | Unfriendly service |
Unpleasant odor | Unprofessional service |
Unreliable | Unreliable notifications |
Unreliable performance | Unresponsive controls |
Unresponsive service | Unsafe / inadequate safety features |
Vibrations | Weak adhesive |