Re: Actually On Topic Question

[RTS <gafa@xxxxxxxxxxxxx>]

On 3/11/2023 12:57 PM, ABLE1 wrote:
> On 3/11/2023 1:08 PM, RTS wrote:
>> On 3/11/2023 11:18 AM, ABLE1 wrote:
>>> On 3/11/2023 10:44 AM, RTS wrote:
>>>> On 3/10/2023 7:32 PM, ABLE1 wrote:
>>>>> Hello Guys!!!
>>>>>
>>>>> Hope everyone is doing well.  As for me, I am still beating the
>>>>> bushes.
>>>>>
>>>>> I have a customer that has a Vista 20p with a Tuxedo Touch Screen that
>>>>> as been working just fine since I installed it 11 years ago and it is
>>>>> now constantly rebooting.  I have not been on site as of yet but, the
>>>>> customer has done some troubleshooting and said that the voltage
>>>>> is holding steady at 13.2vdc while the touch screen reboots.
>>>>>
>>>>> I briefly talked to Tech Support and asked if this was a known issue.
>>>>> I was told that it was not, but should check for a loose connection
>>>>> and check the voltage.
>>>>>
>>>>> Again, I have not been on site, but will be next week.  I thought I
>>>>> would reach out here to see if there should be other things that
>>>>> should be looked at before declaring the Touch Screen was scrap.
>>>>>
>>>>> The docs say that the unit draws 270ma.
>>>>> Presently I am not sure what power source it is connected.
>>>>> I am thinking it would be the Aux + & -
>>>>>
>>>>> I would think if the Aux Power was the issue the voltage would not
>>>>> be holding steady at 13.2vdc.
>>>>>
>>>>> Anyone have any thoughts as to a solution or knowledge on this issue??
>>>>>
>>>>> Thanks,
>>>>>
>>>>> Les
>>>> this may sound crazy,  but  look for "Cricket bits"
>>>>
>>>> this time of year,  we use to have nutty behavior with remote
>>>> processing unit, (keypads, expanders, remote relays)
>>>>
>>>> each time we found Crickets had eaten the insulation off the wires
>>>> and moisture was causing high resistance shorts on the circuits..
>>>>
>>>> Never full time, mostly when the air moisture reach a point when
>>>> droplets formed..
>>>>
>>>> RTS
>>>
>>> Hi Rocky,
>>>
>>> Not totally crazy!!  Just last week I had to disassemble an exterior
>>> gate controller that had spider webs and stink bugs on the circuit
>>> board and was causing the "Fire Input" terminals to short and locked
>>> the gate open.
>>>
>>> As for this Ademco unit, that is something that is doubtful since
>>> it is inside the house.  However, you are right it should be looked
>>> at just to verify.
>>>
>>> Thanks,
>>>
>>> Les
>>>
>> We had a FBII 2-TÂ  in a small restaurant that started have odd alarms..
>> when we opened the panel door, the PCB was covered in (what I called
>> bug spit), a dark goo..
>> After a complete cleaning with de-grease spray,  every thing went back
>> to normal..
>> with bugs, it pays to seal all access points to the electronics..
>> paraffin (candle wax) coated, cotton balls tend to do the job, cheaply..
>> BRK Electronics from Louisville, use to water proof their Glass Breakage
>> detectors with that trick.. (paraffin)
>> ..
>> on another topic,  I noticed that Chinese capacitors tend to burst if
>> the air temperature lingers around 30 degrees for to long..
>> I guess they have some type of water based dielectric in their
>> construction..
>> ..
>> Trick I've used to locate long wires that have had their insulation
>> eaten away, was to open both ends of the run and apply a hefty
>> voltage/current run through the wire..
>> (load resistor at one end, voltage/current at other)
>> (try not to exceed the limit of the copper size..  ;-)  )
>> When the copper flexed with the load,  the short would show itself..
>> If your handy with a "Megger", you can get close to the spot where the
>> bad insulation is located..
>> If not,  up the current and follow the smoke...   LOL
>> ...
>> RTS
>>
>> (don't you just love it when the copper turns a bluish tint...)
>
> Rocky,
>
> What I don't know is if the data pair of wires have an issue of some
> kind would that cause the touch pad to reboot constantly??
>
> Or, what would cause the Tuxedow Touch Pad "if it did not have an
> internal problem" to reboot repeatedly??
>
> Ruling out a repeated power loss!!
>
> I am trying to rule out all of the other possible issues before
> I purchase a replacement Tuxedow and find that the same problem
> happens after replacing the existing.
>
> I know this is not going to be easy................. but!!
>
> Thanks,
>
> Les
>
If you have a 12vdc pulse counter, hook it to the voltage supply,
note the number and have homeowner check several times a day to see if
the numbers are growing..
If yes, you know what to do..
If no,  well crying is not out of the question....
RTS
--

*Rocky T. Squirrel, esq.*