Note:Need to provide? Model number and part number;? Machine’s nameplate. Part Type: Controller, Control Unit, Control Module, Computer Board. ZX230, ZX230-HHE, ZX240H, ZX240K, ZX240LC-HHE, ZX250-HCME. Our office hours are every day except Sunday, but the processing time is uncertain, we will process your problem on the same day. And our office is closed on Sunday and we apologize for the late reply during the holidays. Feedback & Customer Services.