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Siemens IQ 500 "(WD14H420GB) . - AKO 731799-06 Fuse blown

29 Mar 2018 10:17 2745 3
  • Level 2  
    Zmęczyło mnie zastąpienie rezystora 100 Ohm i LNK304. Pralka uruchamia się normalnie.
    Ale po niektórych funkcjach zapłonu, bezpieczniki są połączone i próbowałem go z więcej niż 10 PCB.
    Czy ktoś może mi podać rozwiązanie dla wartości rezystora?
    Albo co możemy zrobić dobrze w tej sprawie?

    Sir, pracuję w hotelu, mamy 200 plus pralka w każdym pokoju. Po wymianie nowej płytki PCB działa. Obawiam się, że możemy ją naprawić, czy nie?

    sam PCB dla
    Pralki Bosch, model WAA24260EN.
    Symbol elektroniki:
    AKO 716200-01
    BSH 5560 006 901

    I got tired of replacing the 100 Ohm resistor and LNK304. The washing machine starts normally.
    But after some ignition functions, fuses are fused and I tried it with more than 10 PCBs.
    Can someone give me the solution for the value of the resistor?
    Or what can we do well in the case?

    sir i am working ih hotel we have 200 plus washing machine in each room .after replacing the new PCB its working .so i am worried we can make it repair or no?

    same PCB for
    Bosch washing machine, model WAA24260EN.
    Symbol of electronics:
    AKO 716200-01
    BSH 5560 006 901
  • Level 39  
    I don't get you... What kind of board do you have? 731799 or 716200? There are different products and different SMPS chips - LNK 304 vs. TNY264.
  • Level 2  
    AKO 731799-06.
    FSD - 21 Advance.
    Te pokazane na zdjęciu
  • Level 39  
    In most cases failure you described is caused by overvoltage (spikes) from the mains. You can try to reduce them by applying surge protectors like this (of course matched to your power supply network) but hard to say if it will help or not.

    You can also play with value of fuse resistor - in theory higher value, a little bit beter overvoltage resistance - but also higher standby power consumption and if resistor will be to big washing machine will not work.