Omni Pro II and RC-80B Thermostats Issue

fun52dig

New Member
I have 4 RC-80B single stage thermostats connected to my Omni Pro II that are showing temperature of 27 degrees and do not work. I replaced them with new ones that I had and with in a few days they are all showing a room temperature of 27 degrees again.  Anyone have any idea why all the thermostats are acting in this manner. There is obviously something up with the control board as I do have two other thermostats that are not connected to the control board which work fine. Any help on this matter would be greatly appreciated.
 
 
 
Welcome to the Cocoontech forum fun52dig.
 
What firmware are you using with your Omni Pro II. 
 
A while back I had communications issues with my serially connected Omnstat2's.  (I had previously updated my RC80 to the newer Omnistat2 and thought it was the Omnitstat2 that was causing me grief).
 
It was not an issue with the thermostats rather it was related to the OPII and caused some wierd networking issues. (the "promiscuous" nic port thing).
 
Have a quickie read over here:
 
http://cocoontech.com/forums/topic/25370-omni-ii-network-ports-locks-up/
 
http://cocoontech.com/forums/topic/26597-313-weirdness/
 
 
 
Test it. 
 
Disconnect the network interface and warm boot the HAI OPII panel and look at your thermostats. 
 
Do they work fine without the network cable plugged into your OPII?
 
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