There are so many enginners give us the feedback about E4 and E8 appears on the screen after replace the main boards,The main problem of this two code is from from cable connector, E4 code happens because the IGBT board Temperature sensors connection is bad, E8 code happens because of the handle tempearture sensors cable connection problem , please check all the cable connection of temperature sensors carefully when the E4 and E8 appear on the screen
Here we would like to share the diagram of Water road EM slim machine with two handpiece, hope it can help our distributor and engineers who repair this equipment on the market
