Niba ibimenyetso byerekana imbaraga Q yerekanwe muri M90 iri munsi ya 60, uburyo bukurikira burasabwa kugirango ubeho neza:

1) Kwimura ahantu heza.

2) Gerageza gusya hejuru yinyuma yumuyoboro, hanyuma ukoreshe ibice bihuza kugirango wongere imbaraga zikimenyetso.

3) Guhindura transducer ihagaze ihagaritse kandi itambitse;menya neza ko intera ya transducers ihwanye nagaciro ka M25.

4) mugihe ibikoresho byumuyoboro bidakwiriye kohereza ibimenyetso bya ultrasonic;transducer yacu ishyushye-hejuru.