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Otis E335M Drive Fault F404
#32826 03/31/22 09:57 PM
Joined: Sep 2013
Posts: 29
E
Elevator Nut
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Elevator Nut
newbie
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Joined: Sep 2013
Posts: 29
Hello

Hoping for some pointers. Getting fault 404 on SCR drive: Open Armature Circuit. Have replaced contactor, checked all connections, checked motor, etc... Never happens in flight. Car always level with a floor and shut down. No entrapments. Happens every few days. Any help appreciated!
Re: Otis E335M Drive Fault F404
Elevator Nut #32828 03/31/22 10:25 PM
Joined: Dec 2015
Posts: 1,766
Likes: 11
Local 18
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Indirtwetrust Offline
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Indirtwetrust
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Local 18
Contactor would be a good guess.

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