Re: PK5501 LCD Some Keys Don't Work

["Bob La Londe" <none@xxxxxxxxxx>]

"E DAWSON" <edawson@xxxxxxxx> wrote in message
news:O0Bbs.6$jZ.3@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>
> "Frank Kurz" <tech@xxxxxxxxxxxxx> wrote in message
> news:6o2dnQsxDuUHwfPNnZ2dnUVZ_rmdnZ2d@xxxxxxxxxxxxxxx
>> On 04/10/2012 4:59 PM, Bob La Londe wrote:
>>> PK5501 LCD Some Keys Don't Work
>>>
>>> I had a service call to move a keypad today because the customer is
>>> removing the wall where it was previously mounted.  After the move keys
>>> 369# (and the various special function keys) no longer work.  Keys
>>> 124578*0 still work fine and user codes using those keys (fortunately
>>> they had some programmed) still arm and disarm.  I didn't drop or abuse
>>> the keypad in anyway during the move. It seemed like an easy service
>>> call.
>>>
>>> Any suggestions?
>>>
>>> I did already order a replacement keypad.
>>
>> Chances are some drywall dust (or other non-conductive material got
>> behind that row of keys.  Take the keypad apart and clean all the
>> surfaces (back of the buttons and the PCB with some alcohol swabs).
>>
>>
>> Frank
>
> Do you really know for sure that the keypad was working correctly before
> you moved it or did the customer tell you that it worked fine before. You
> say that they already had codes that did not use those "now"
> non-functioning keys. It is possible if they had codes that did not
> require the use of those keys that you mentioned, that they did not know
> that there was anything wrong. I doubt that you tested those keys prior to
> removing it, you would have had no reason to suspect anything prior.
>
> You may be the innocent victim of either the customer knew there was
> something wrong with it and blames you wrongfully; or they knew nothing of
> it either and you are ending up with the blame and it had nothing to do
> with moving it.
>
> Disassembling the keypad and cleaning may work, but I have experienced
> those keypads with that similar problem myself-they can just go bad.
> Hopefully, they are paying for the keypad in any case, for your sake. The
> age of the keypad can matter as well as finding out the fact that their
> system got surged somehow. If you can find something else on their system
> that does not work correctly, such as wired doors or windows that do not
> chime, or other things, you might find that the system got zapped at one
> time.
>
> Hope this helps you in some way. I just would not assume guilt and
> responsibility in your case until you have logically reasoned the whole
> thing out first.

I'm not to worried about it if I have to eat the keypad (which I won't).
They have three full data with cellular accounts with me, and they always
pay on-time.