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#14941 - 08/29/15 01:31 PM Otis 311 Fault  
Joined: Aug 2015
Posts: 3 chitownvator Offline
stranger
chitownvator  Offline
stranger

Joined: Aug 2015
Posts: 3
I am having an issue on an Otis 311. The service tool fault code is INVERTER OCU FAULT. The fault only occurs when traveling in the down direction once it gets up around contract speed. not on 1 floor runs. any help would be appreciated
#14944 - 08/30/15 06:17 AM Re: Otis 311 Fault [Re: chitownvator]  
Joined: Aug 2011
Posts: 563 uppo72 Offline
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uppo72  Offline
addict

Joined: Aug 2011
Posts: 563
OCU might be over current, so check your dynamic brake resistors.

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