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Fault Index
Every documented fault, newest first. Filter by symptom category, or use the search on the homepage if you know the model number.
Showing 18 of 18 entries
- Milwaukee 2606-20
Drill appears completely dead with a fully charged battery — no lights, no response, as if the tool has failed entirely
The tool has been remotely locked via Milwaukee's One-Key app, not a hardware fault — a locked tool looks and behaves exactly like a dead one
Electronics & Firmware 2026-07-11 - Numatic HVR200
Henry vacuum suddenly cuts out mid-clean and won't switch back on, even though it was working normally moments before
The motor's thermal overload cutout has tripped because of restricted airflow — a safety feature, not a failed motor — and it won't reset until the blockage is cleared and the motor cools down
Motor & Drive 2026-07-11 - Einhell TE-CD 18 Li
Drill is completely unresponsive even though the battery's own charge-level LEDs show it's fully charged
The battery isn't fully seated in the tool, or the contact points on the battery and/or tool have picked up dirt or light corrosion — the battery's charge LEDs work independently of the tool-side contacts, so a battery can genuinely show 'full' while still failing to make a working connection with the tool
Batteries & Charging 2026-07-11 - Prusa MK3S
Print aborts partway through with a THERMAL RUNAWAY error, usually right as the part-cooling fan spins up, even though the hotend was heating perfectly moments before
The part-cooling fan is cooling the hotend heater block faster than it can compensate — usually because the silicone sock insulating the heater block is missing, worn out, or the printer's sock/no-sock setting doesn't match reality — which trips the firmware's thermal safety cutoff and looks exactly like a failed thermistor or heater cartridge
Electronics & Firmware 2026-07-11 - Stihl MS 250
Chainsaw won't start or is extremely hard to start, even though fuel is reaching the carburettor, the air filter is clean, and the spark plug is confirmed sparking
A carbon-clogged spark arrester screen in the muffler restricting exhaust flow enough to stop the engine drawing a fresh charge — an exhaust-side blockage that mimics an ignition or carburettor fault even though fuel, air, and spark all individually check out
Motor & Drive 2026-07-11 - Bambu Lab A1
Printer shows 'printing' state in the app and on the display with no job running; won't accept new jobs until power-cycled
Stale print-job state left behind after an interrupted job or dropped cloud connection — the previous job's status is never cleared
Electronics & Firmware 2026-07-01 - Triton TPT125
Thicknesser motor sparks heavily at the brushes, loses power under load, and smells of ozone
Burnt or scored commutator segments causing arcing at the brush contact faces
Motor & Drive 2026-06-28 - DeWalt DWS774
Mitre saw cuts are out of square — 90° cuts show a visible gap against a square, and mitred frames won't close up
Fence or bevel calibration drift — the saw's reference surfaces no longer match the scale detents, usually after transport, a knock, or dust packed behind the fence
Blades & Alignment 2026-06-26 - Record Power BS250
Bandsaw cuts wander away from the fence — the blade drifts sideways through the cut no matter how carefully the wood is fed
A dull or unevenly-set blade, insufficient tension, or misadjusted guides — drift is almost always setup, not a machine fault
Blades & Alignment 2026-06-22 - Bosch PST 700 E
Jigsaw cuts wander off line and come out bevelled — the cut edge leans noticeably in thicker material despite the base being set square
Blade deflection: a dull, bent, or wrong-type blade flexing sideways in the cut, often aggravated by feeding too fast or a worn blade support roller
Blades & Alignment 2026-06-18 - Axminster AW106PT2
Planer/jointer hums loudly at switch-on but won't start, trips the breaker after a few seconds
Failed start capacitor or motor winding preventing the induction motor from developing starting torque
Motor & Drive 2026-06-15 - Creality Ender 3
Prints develop sudden sideways layer shifts partway through — the print is perfect below a line and offset above it
Loose pulley grub screws or incorrect belt tension letting the X or Y axis lose position mid-print
Mechanical & Motion 2026-06-14 - Makita 5704R
Circular saw's lower blade guard returns slowly after a cut, hangs partway, or has to be flicked shut by hand
Resin and compacted sawdust in the guard's pivot ring binding its rotation — occasionally a stretched or detached return spring
Guards & Safety 2026-06-11 - Kärcher K4
Pressure washer switches itself on and off repeatedly (pulsing) with the trigger released
A small pressure leak downstream of the pump — the auto-stop system sees pressure decay and restarts the motor to top it back up
Pumps & Pressure 2026-06-08 - Bosch GWS 7-115
Angle grinder won't start, starts only after a jiggle or tap, or cuts out intermittently during use
Carbon brushes worn to their limit — the motor loses contact with the commutator, first intermittently, then completely
Motor & Drive 2026-06-02 - Makita HR2470
SDS drill still spins normally but has stopped hammering, or hammers weakly with a change in sound
Worn or hardened O-rings in the pneumatic hammer mechanism (or dried-out grease) letting the air cushion leak away
Mechanical & Motion 2026-05-30 - DeWalt DCF887
Impact driver no longer holds bits securely — bits wobble, slip, or drop out of the chuck mid-job
Worn bit-retention parts in the quarter-inch hex chuck — the retaining ball, spring, or sleeve no longer grip the bit's groove
Chucks & Fittings 2026-05-26 - Ryobi ONE+ 18V
Battery refuses to charge after storage — charger flashes its 'defective' pattern the moment the pack is inserted
The battery, not the charger: deep discharge during storage has dropped the cells below the cutoff voltage the charger accepts, so it flags a healthy-but-empty pack as faulty
Batteries & Charging 2026-05-22