[Hai-users] thermostat control problem...again...

[Brad]

Had any nasty thunderstorms lately?
Possibly blew the same chip again if so.

--------------------------------------------------
From: "Joseph Vossen" <jkv at vossen.org>
Sent: Friday, May 07, 2010 10:30 AM
To: "hai-users" <hai-users at tssi.com>
Subject: [Hai-users] thermostat control problem...again...

> Back in November, I was having an issue with controlling my thermostats; a 
> copy of the email is below describes the problem.
>
> After gathering some info from folks, I decided to replace the "Output 
> Controller Chip" that is located at U31.  This seemed to have solved the 
> problem...until early this week.
>
> I am now having the same problem as before.  At this point I have:
>
> 1.  power-cycled the system
> 2.  reseated the chip
> 3.  reloaded the configuration
> 4.  triple-checked all of the wiring, esp the connections to/from the 
> tstats
> 5.  shot the board with circuit board cleaner (which has the side-effect 
> of cooling it down to chk if heat related)
>
> and still no love...
>
> I'm kind of at the end of any ideas, so I think I left with:
>
> 1.  Pull the board out and send to HAI for repair (do they do that?  is it 
> worth doing?  turnaround?)
> 2.  Get another OmniPro board from flea-bay and swap it out
> 3.  upgrade ($$$)
>
> any one have any suggestions/thoughts on what I can try next?
>
> thanks
>
> Begin forwarded message:
>
>> From: Joseph Vossen <jkv at vossen.org>
>> Date: November 13, 2009 7:45:42 AM EST
>> To: hai-users <hai-users at tssi.com>
>> Subject: [Hai-users] thermostat control problem
>>
>> I have an OmniPro in my home which was installed around 1998; it is 
>> running f/w 1.9.  I also have nine (9) thermostats (RC-80) and one (1) 
>> outdoor temperature sensor connected.
>>
>> Last night I was looking at one of the thermostats and noticed that the 
>> outdoor temperature was not being displayed; this was true for all nine 
>> (9) thermostats.
>>
>> Further investigation shows:
>>
>> - changing the state of a thermostat (all nine) locally (mode, setpoint) 
>> does *not* get reflected back at the panel when viewing the status using 
>> a keypad
>>
>> - changing the state of a thermostat (all nine) from a keypad (mode, 
>> setpoint) does *not* affect the thermostat.
>>
>> - outdoor temperature sensor appears to be communicating the correct 
>> value, as display on a keypad
>>
>> - all thermostats seem to function fine as a "thermostat" (so the heat is 
>> coming on correctly)
>>
>> - room temperature, as displayed on a thermostat (all nine), appears to 
>> be correct
>>
>> I have power-cycled the panel and all of the thermostats but I see the 
>> same behavior.  I just appears that *all* of the thermostats have simply 
>> stopped communicating with the panel.
>>
>> suggestions?
>>
>> thanks
>>
>> _______________________________________________
>> HAI-users mailing list
>> HAI-users at tssi.com
>> http://romaine.tssi.com/mailman/listinfo/hai-users
>
>
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