Electrolux Battery Swap – WQ6 WQ7 WQ8 | ES31 ES52

Electrolux Well Q (WQ6 / WQ7 / WQ8) + 300 (ES31) + 500 (ES52) – Battery Swap (140157229026) In this video we perform a battery replacement (battery swap) on Electrolux cordless stick vacuums. We show safe disassembly, battery removal, installation of the new pack, and basic electrical verification after replacement. Models WQ6 (Well Q6): WQ61-40OG, WQ61-42GG, WQ61-44SW WQ7 (Well Q7): WQ71-50IB, WQ71-P50IB, WQ71-P52SS, WQ71-P52IB WQ8 (Well Q8): WQ81-3BSWF, WQ81-3OMB, WQ81-3OMBF, WQ81-3PSGF, WQ81-55MB, WQ81-ALRS, WQ81-ANIMA, WQ81-PALRG, WQ81-PANIM ES31 (Electrolux 300): ES31CB18GG, ES31CB18SH, ES31C183DB ES52 (Electrolux 500): ES52AB18UG, ES52AB21UG, ES52AB25WB, ES52B21GRN, ES52B25WET, ES52C212XN, ES52CB18DB, ES52CB18DG, ES52CB18OG, ES52CB18SH, ES52CB18UG, ES52CB21DB, ES52CB21DG, ES52CB21SH, ES52CB25UG, ES52CP21OG, ES52HB25SH, ES52HP25SH Commonly replaced / most discussed parts Battery pack – 140242294019 / 140242285025 / 140157229026 Motor - 140197788031 Charging adapter / power supply - 140117630230 On/off switch assembly - 140161361153 Motorized floor nozzle - 140233317043 Common faults / symptoms Not charging / no charging light (check charging adapter, clean charging contacts, measure battery voltage, test with known-good adapter) Very short runtime / drains fast (battery cells worn out, high internal resistance – replace battery pack) No power / completely dead (check battery voltage, internal fuse, main PCB supply line, connector continuity) Shuts off under load (battery voltage drops under load, weak cells, overheating protection triggered) Battery overheating (failing cells, high resistance or shorted cell group – replace battery pack) Charging light blinking abnormally (BMS protection active, battery imbalance, contact issue or faulty charger) Brush head not spinning (check motorized nozzle, clean roller from hair/debris, inspect head motor and connector pins) Weak suction (clogged filters, blocked cyclone, restricted airflow path – clean before suspecting motor) Safety: Power off the device and disconnect/remove the battery before servicing. PROEX Servis & Eshop We are a home appliance service center and online shop in Slovakia, based in Bratislava, Exnárova 16. We focus on vacuum cleaners and small appliances – diagnostics, repairs, maintenance, and spare parts for AEG, Bosch, Dyson, Electrolux, Kärcher, Rowenta, Siemens, Zanussi, Zelmer. Service & shop: Service drop-off / pickup: Exnárova 16, Bratislava, Slovakia Online shop (spare parts & accessories): www.proex.sk | www.proexservis.sk Tools & equipment we use: Electric screwdriver - BOSCH GSR 10,8-LI Professional Soldering station - ERSA RDS 80 Combined soldering & hot air station - PROSKIT SS-989 Backup soldering station & tin suction device - SP-1010DR SOLDER PEAK Non-contact AC voltage detector / voltage tester pen - HABOTEST HT101 Digital multimeter - VOLTCRAFT VC 850 DC Power Supple - WANPTEK DPS605U LED Backlight Tester - WYT-900C Vacuum cleaner - Electrolux ULTRASilencer (Z3323) #Electrolux #WellQ6 #WellQ7 #WellQ8 #ES31 #ES52 #BatterySwap #BatteryReplacement #VacuumRepair #ApplianceRepair #Service #DIY