Power Tools — Blog
Power Tools — repair guides and expert tips from SATER service centre in Riga.
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Power tool charger not working — Makita, Bosch, DeWalt diagnosis
Charger dead, flashing an error, charging then stopping, or running hot? How to tell a faulty charger from a faulty battery with one cross test.
Rotary hammer spins but won't hammer — SDS impact mechanism diagnostics
Rotary hammer drills but stopped hammering, hammers weakly, won't change modes or the bit won't stay in the chuck? Impact mechanism and piston diagnostics.
Drill spins but won't drive — chuck, clutch and gearbox
Motor runs but the chuck won't turn, the clutch slips, hammer mode is dead or the bit wobbles? Mechanical diagnosis for Makita, Bosch, DeWalt.
Makita, Bosch or DeWalt — which battery platform is easier to keep repairable?
A bench-level comparison of Makita, Bosch and DeWalt battery platforms: spare parts, pack rebuilds, typical failures and long-term repairability.
Power tool won't turn on or stalls under load — how to find the fault
Drill or grinder won't start or stalls under load: how to tell a battery, charger and tool fault apart — trigger switch, carbon brushes, armature.
How to Maintain Power Tool Batteries for Maximum Lifespan
Proper storage, charging and use of lithium-ion batteries for Makita, Bosch, DeWalt and Milwaukee tools. Storage charge level, temperature and winter tips.
Power Tool Battery Not Charging — Makita, Bosch, DeWalt Troubleshooting
Cordless drill battery flashing and won't charge: Makita, Bosch, DeWalt charger LED codes, temperature protection, cell balancing, when to replace.
Where to repair a power tool in Riga when the official service refuses
Authorised service says your drill or grinder is discontinued and can't be fixed? What independent component-level repair can still save — and when it can't.
High-voltage tool battery won't charge (36V/40V/80V): test, fix or repack
A high-voltage tool battery won't charge or dies after one cut? Why 36V/40V/80V packs fail differently, and how to test the charger vs the pack.
Reciprocating saw or jigsaw won't cut: blade, stroke and clamp faults
Blade won't move, the stroke is weak, or it drops out of the clamp? Bench guide to reciprocating saw and jigsaw faults — what to check and when to repair.
Power Tool Overheats and Shuts Off During Work: Thermal Protection or a Real Fault?
Your power tool overheats and cuts out mid-job? Tell normal thermal protection from a real fault — clogged vents, worn brushes, battery, and what you can fix.
Metabo battery won't charge or flashes an error (CAS / LiHD)
Metabo CAS/LiHD pack won't charge or blinking red? Decode the charger LEDs, tell a temperature fault from a cell/BMS fault, and know when a re-cell pays off.