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Along with tutorials on navigating through our iSmart Air Handling Unit Software, this forum is home to troubleshooting guides for products such as CAREL, Belimo, Titan, Axio, Sontay and many more. Please get in touch if you have a query that you haven't found an answer to below. 


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On 8/25/17, 12:26 PM

This ERROR appears when the board (the main controller) is corrupted. It could be down to the software no longer running on the controller and it being corrupted .. I would not exclude that the corruption could have been caused by a hardware failure... 

Your options are: 

1) Restart the controller and hope for a good start-up and operation

2) If you still get the error, I would try and restore the original software on the controller (if you have this from the manufacturer)... If this works it excludes the possibility of a hardware failure. It happened to me other times that re-establishing the original software in the controller it cleared the fault...

3) If the above doesn't work I'm afraid you have no other option but replacing the controller.


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Asked: 8/10/17, 10:18 AM
Seen: 1632 times
Last updated: 8/25/17, 12:27 PM