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MCE PTC up only not drop out H relay

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 Msd
(@Msd)
Joined: 1 second ago
Posts: 0
Topic starter   [#21396]
Hi

This is what have been done, called MCE swap and replace PCA board, PCIO board and relay board. Problem is in up direction only, computer drops High speed led but H relay stays high. Down works normal. Have anyone encounter this?



   
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 Msd
(@Msd)
Joined: 1 second ago
Posts: 0
Topic starter  
Got it ! STU sensor stuck in.



   
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