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Problèmes
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7[@4EE8C4F
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DH[8
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Causes probables
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6$8F9HF<5?8F7<F=BA6G8AG
7HF<5?8F:E<??[FBH7[986GH8HK
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9+<?8F64HF8F6<78FFHF BAG [G[
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@BG8HE9BA6G<BAA8@4?
4(E[F8A68 7¹[?[@8AGF FB?<78F
74AF?8EBGBE78?4CB@C8
5*BH?8@8AGF5?BDH[F
4.[E<9<8EDH8?8FEB5<A8GFFBAG
BHI8EGF8GA8FBAGC4F5?BDH[F
5+BHC4C87¹4FC<E4G<BA98E@[8
6<?GE87¹4FC<E4G<BA78?4CB@C8
B5FGEH[
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4,HL4HK8G4668FFB<E8F4I86HA
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78FC8EG8F786;4E:8
5
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7HEBGBE8GBH74AF?8F7<99HF8HEF
6*BGBEF7[G[E<BE[F
7*BGBEF8G7<99HF8HEFHF[F
84<FF8 8K68FF<I87HA<I84H
7LA4@<DH87HCH<GF
9+8AF78EBG4G<BA<A6BEE86G
:H<G87HGHL4H7¹4?<@8AG4G<BA
;(E[F8A68 78 :4M 7<FFBHF
74AF?¹84H
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8
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54EA<GHE8@[64A<DH8E4L[8C4E?4
CE[F8A68 7¹[?[@8AGF 45E4F<9F
74AF?8?<DH<78CB@C[
12. Dysfonctionnements
Attention: BHC8E?¹4?<@8AG4G<BA[?86GE<DH84I4AG78E[4?<F8EGBHG8BC[E4G<BA
I<G8E?89BA6G<BAA8@8AGUF86@]@8CBHEHA86BHEG87HE[8
+H<IE8FGE<6G8@8AG?8F<AFGEH6G<BAF7¹HG<?<F4G<BA8GF<A[68FF4<E86BAG46G8E?8E8I8A78HE
Solutions possibles
4.[E<9<8E DH8 ?4 9E[DH8A68 7H F86G8HE [?86GE<DH8 8G ?4 G8AF<BA
6BEE8FCBA78AG 4HK 64E46G[E<FG<DH8F [?86GE<DH8F <A7<DH[8F FHE ?4
C?4DH8<A7<64G<I87H@BG8HE
+¹4FFHE8EDH8?4F86G<BA7H6V5?88FG
6B@C4G<5?84I86F4?BA:H8HE7H6V5?88G?4CH<FF4A687H@BG8HE
5
BAA86G8E6BEE86G8@8AG?86V5?87¹4?<@8AG4G<BA[?86GE<DH8U?45BaG8U
5BEA8F.[E<9<8EDH8?4CEBG86G<BAG;8E@<DH88FG<AFG4??[86BEE86G8@8AG
E8:4E78E?8F<A9BE@4G<BAFFHE?4C?4DH8<A7<64G<I87H@BG8HE8GF¹4FFHE8E
DH8?46BAA8K<BA7HG45?84H789HF<5?8F7H@BG8HE8FG6BEE86G8
6*8:4E78E?4CH<FF4A6878@4A7[8C4E?4CB@C8F¹4FFHE8EDH8?¹4E5E8
EBGBE GBHEA8 ?<5E8@8AG 8G E[:?8E ?4 CEBG86G<BA G;8E@<DH8F<GH[8 FHE ?4
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7*8@C?468E?8F9HF<5?8FI[E<9<8E?¹4?<@8AG4G<BA[?86GE<DH84<AF<DH8?8F
CB<AGF48G6
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wy(B@C85?BDH[8yx7868GG8ABG<68
9+<A[68FF4<E86BAG46G8E?8E8I8A78HE
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5+<?8FEBH?8@8AGFFBAG8A7B@@4:[F?8FE8@C?468E8GF<A[68FF4<E8
6BAG46G8E?8E8I8A78HE
4[@BAG8E?8 6?4C8G4AG<E8GBHE78 ?4GHL4HG8E<878E89BH?8@8AG
8GE8G<E8E?4FBHC4C8F<A[68FF4<E8?4E8@C?468E
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6+BEG<E?4 CB@C8E8G<E8E 8G A8GGBL8E ?89<?GE87¹4FC<E4G<BA8G F<
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5KGE4<E8?4CB@C88G6BAG46G8E?8E8I8A78HE
6BAG46G8E?8E8I8A78HECBHE?8E8@C?468@8AG78FEBGBEF
7BAG46G8E?8E8I8A78HECBHE?8E8@C?468@8AG78FEBGBEF8G78F
54:H8F 7¹[G4A6;[<G[78F7<99HF8HEF BH?8F7<99HF8HEF 8HK
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8H:@8AG8E?4CEB9BA78HE7¹<@@8EF<BA 78CB@C849<A 78?4
E8A7E8 6B@C4G<5?8 4I86 ?8F C8E9BE@4A68F 78 ?4 CB@C8
7<@<AH8E?89?HK FBH;4<G[8A E[7H<F4AG ?¹8AGE[8 7¹4?<@8AG4G<BA
(B@C8GEBCCH<FF4AG8CBHE?8A<I84H7LA4@<DH87HCH<GF
998
:$B64?<F8E?8FCB<AGFBi?8GHL4H7¹4?<@8AG4G<BA9H<GF¹<?FF8F<GH8AG8A
CBF<G<BAI8EG<64?87HCH<GFFBEG<E?4CB@C88GE[C4E8E?8GHL4H
;BAG46G8E?8E8I8A78HE
4.[E<9<8EDH¹4H6HA6BECFFB?<78A¹B5FGEH8?8EBGBE
5*8@C?468E?8FEBH?8@8AGF
6.[E<9<8E?¹[G4A6;[<G[C4E94<G878?464A4?<F4G<BA
7-G<?<F8E78F7<4@\GE8FFHC[E<8HEFBHE[7H<E8?89?HKCB@C[
8.[E<9<8EDH8?4G8AF<BA78F86G8HE8FG6BEE86G8
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