Degrees of Comfortrt twin size heater blanket grey and white not working

Degrees of Comfortrt twin size heater blanket grey and white not working Pre💕 I had packed away in my hall cabinet during summer & I just pulled it out to use on the couch to find it started blinking this E2 error code! So it’s no longer working… I’ve troubleshooted unplugged and re plugged but still not working Please see pics White Sherpa on one side Smooth dark grey on he other side Please bundle for additional savings