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

[Dan Puccio]

Is it a programmable device or just an "off the shelf" communications  
IC?  If it's not programmable, you might be able to change it yourself.



On May 7, 2010, at 12:50 PM, "Sieber, Ernie"  
<ernie.sieber at homeauto.com> wrote:

>
> Joseph,
>
> You can confirm whether there is a hardware problem on the  
> controller related to the output chip:
>
> 1. Remove all of the tstat wiring from Output 8, Ground, and Zone 16  
> "+".
> 2. Using a multi-meter (preferably a digital unit set to DC scale),  
> measure the voltage between Output 8 and Ground.  What you should  
> see is an oscillating voltage, ranging from 0.1 - 9+ VDC.  If you  
> see a "constant" voltage or no voltage, the output chip has failed  
> again.
>
> If the chip is bad, that is going to be a problem.  HAI no longer  
> performs repairs on the older Omni series of controllers.
>
>
> Ernie
>
> -----Original Message-----
> From: hai-users-bounces at tssi.com [mailto:hai-users-bounces at tssi.com]  
> On Behalf Of Joseph Vossen
> Sent: Friday, May 07, 2010 10:30 AM
> To: hai-users
> 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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