This excerpt from the user's manual can explain the problem of your capacitor.
"... In the event of a malfunction, grounding will reduce the risk of electric shock by providing a minimum resistance path for electric current. This appliance is equipped with a power cord having a grounding conductor and a grounding plug. The plug must be plugged into an appropriate outlet that has been properly installed and grounded in accordance with all local codes and regulations...."
WHIRLPOOL AWZ 3793, BOSCH WTW863V0, HOOVER DYC 8913 BX, DYC8913, , AEG T7DB83GW, 916 097 964, BOSCH WTW865U2AT, WTW 865 U 2 AT, AEG T8DBR842G, 916 098 060, WHIRLPOOL FFT M11 8X2 UK, FFT M11 8X2 UK
Manufacturer's Capacitor for Dryer WHIRLPOOL FFT M11 8X2 UK