Error 70 and I have done everything recommended.

Canon 7D got rained on and now shows Error 70 when turned on. Camera was placed in bog of rice for 4 weeks. Battery and CF card were replaced repeatedly. Error 70 still showing.

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

crwdns2894050:0crwdne2894050:0

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