Unrepairable after 18-23 months sounds perfect. Money back --> new machine. Cost free coffee drinking!

I use an aeropress which is more manual than you want but only costs £25 and makes the best coffee i've ever had at home.

Regards,
(Another) Duncan
Main: DSP6k, HD621, Oppo93, PS5, HP 800 G5 Mini, Hitachi 58HK6100U
Kitchen: M80+Echo Show 8"    Office: Echo V1
Bedroom: F80+Echo DotV3     Boxed: MS200 x2, DSP5K x 4