高科燃?xì)鉄崴黠@示88代碼且閃爍的維修
一臺(tái)高科燃?xì)鉄崴?,開(kāi)機(jī)后燈板上顯示代碼“88”,且一亮一暗閃爍,不燒水。分析檢修:更換電源板及燈板后開(kāi)機(jī),故障依舊。接下來(lái)筆者決定采用斷開(kāi)法判斷故障元件。先后斷開(kāi)風(fēng)壓開(kāi)關(guān)和風(fēng)機(jī)試機(jī),仍顯示" 88"代碼。當(dāng)拔下增壓泵連接線后,故障代碼消失,由此判斷增壓泵損壞。換上同型號(hào)增壓泵,如圖1所示,上電開(kāi)機(jī),故障排除...