won't heat water,have power to second diode, but no power to heater

water not heating. no voltage to heating element. voltage present past ceramic disk and first diode, but not through second diode.

crwdns2893858:0crwdne2893858:0 crwdns2893862:0crwdne2893862:0

crwdns2894050:0crwdne2894050:0

crwdns2889612:0crwdne2889612:0 0
crwdns2892346:0crwdne2892346:0