? Help 2 Display
Indicates an open in the thermal protection
circuitry located on the left side of the unit.
Could also be wired wrong for single phase
with switch S1 open on black or white lead.
熱敏開關故障

顯示左側熱保護開關跳開,對了你是哪公司的啊?我們是南京聯翰,代理米勒焊機的

你好!我在杭州維修焊機的!那臺焊機已經修好了!是有一塊324的銅泊斷了!另外我用繼電器斷高壓把它改了!謝謝你們的支持!