Please help with error code on PT-R8600

[Anastasia]

Please help to solve this problem!! I need it very urgent..
We have these error on PT-R8600:
830408 Mai<-Pan C,RECORD_PNL_LD_CAL
830408 Pan<-Mai R,RECORD_PNL_LD_CAL
830409 Mai<-Mai C,RECORD_PNL_LD_CAL
830409 Hea<-Rec C,HEAD_CAL_TEMP
[H]<-EC
[H]->OK
[H]<-SR 6
[H]->TP 1 24.9
[H]->TP 2 25.0
[H]->TP 3 25.0
[H]->TP 4 24.9
[H]->TP 5 25.0
[H]->TP 6 25.0
[H]->TP 7 25.0
[H]->TP 8 25.0
[H]->OK
830431 Rec<-Hea R,HEAD_CAL_TEMP
830431 SCM<-Rec C,SCM_POS_CAL
R10/4 = -59999, R11/4 = 659999
dis=-146000,cur=1,tgt=-145999
830900 Rec<-SCM R,SCM_POS_CAL
R10/4 = -59999, R11/4 = 659999
830900 Rec<-Set R,SETUP_DONE
830901 Hea<-Rec C,HEAD_CAL
[H]<-EC
[H]->OK
[H]<-II 1 63
[H]->63ch: IopI=461
[H]->OK
[H]<-WX 1 270
[H]->OK
[H]<-ZP 1
[H]->OK
[H]<-ZM 900
[H]->OK
[H]<-FT 1 25.0
[H]->OK
[H]<-FM 3300 20.3
[H]->FM'=3310
[H]->OK
[H]<-SV
[H]->OK
[H]<-WSI 1 0 63
[H]->
[H]->ER 02
[H]->OK
831824 Rec<-Hea R,HEAD_CAL,d02
[H]->OK
(P)
831826 Mai<-Rec R,RECORD_PNL_LD_CAL,4d02
## 11/01 12:55:36 ##
E004d02:Expoure head error
[] [OK] []