Kazhinji kutaura, feni yekutonhodza mvura inomira kushanda (kureva kuti fan haina kutenderera) inogona kubva kune zvinotevera zvikonzero:
1. Dunhu refan harina kusangana kana kuti rakasununguka. Solution: Tarisa dunhu maererano.2. Iyo capacitance inoderera. Solution: Shandura imwe capacitance.
3. Koiri inotsva. Mhinduro: Iyo fan yose inoda kuchinjwa.
Kana machiller emvura amakatenga kubva S&A Teyu aine dambudziko iri, unogona kubata after sales service centre.
Nezve kugadzirwa, S&A Teyu yakadyara michina yekugadzira inodarika miriyoni imwe yeyuan, ichive nechokwadi chemhando yenhevedzano yemaitiro kubva kune zvakakosha zvikamu (condenser) yeindasitiri chiller kusvika pakunyungudika kwesimbi simbi; maererano nekugadzirisa zvinhu, S&A Teyu yakagadzira matura ekugadzirisa zvinhu mumaguta makuru eChina, yakaderedza zvakanyanya kukuvadza nekuda kwekureba kwekutakura kwezvinhu, uye nekuvandudza kushanda kwekufambisa; maererano ne-after-sales service, nguva yewaranti makore maviri.
