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TAC20-03 Fault 1123

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(@FriscoKid)
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Topic starter   [#40083]
Hello,
We are getting a fault listed as Car Fault 1123. Car Top Inspection Node A CAN Communication is Offline. We don't have the correct job Print. We see (2) L24 boards not sure if this could be a problem? Any ideas?



   
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(@FriscoKid)
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Topic starter  
Also, you can run elevator up on inspection. The elevator runs fine down direction. As soon as you try the up direction run monitor error 1123. On full automatic....Valve Issue?

Last edited by FriscoKid; 08/29/25 10:21 PM.


   
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(@Indirtwetrust)
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1123 is up run stalled. If it runs up on inspection but not auto make sure your fast valve coil relays are picking and those are picking your up fast solenoid. Also increase Z35 to give you more allowance before the run monitor.



   
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(@FriscoKid)
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Topic starter  
We will check it out Tuesday.



   
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(@FriscoKid)
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Topic starter  
Bad relay up fast contact intermittent....



   
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(@FriscoKid)
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Topic starter  
Thanks for the help!



   
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