This problem doesn't sound like the E-Power switch issue. If you had a problematic switch you would have difficulty in firing up the carto.
I use the Smoktech 1.7. ohm LR XL cartos with an E-power 14650. I did burn a carto once by running it too dry before refilling. The taste of burned synthetic filler material can taste something like burned rubber. When I burned the carto nothing I vaped tasted right for the rest of the day even when I switched to another carto in good condition. The next day my sense of taste must of reset itself because the good carto tasted just fine once again.
Always have enough blank cartos on hand so you don't run out. The same Smoktech single coil 1.7 ohm LR XL is called a "Resurrector" by one vendor and a "Rejuvenator" by another. For all I know another vendor may be calling it a "Resuscitator." Hoosier sells the 1.7 LR XL and in my experience, ships faster than CCV.
I use the Smoktech 1.7. ohm LR XL cartos with an E-power 14650. I did burn a carto once by running it too dry before refilling. The taste of burned synthetic filler material can taste something like burned rubber. When I burned the carto nothing I vaped tasted right for the rest of the day even when I switched to another carto in good condition. The next day my sense of taste must of reset itself because the good carto tasted just fine once again.
Always have enough blank cartos on hand so you don't run out. The same Smoktech single coil 1.7 ohm LR XL is called a "Resurrector" by one vendor and a "Rejuvenator" by another. For all I know another vendor may be calling it a "Resuscitator." Hoosier sells the 1.7 LR XL and in my experience, ships faster than CCV.