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Re: key pad TALK button
I am sorry but while many phones can be opened with some common tools and a little dexterity, that phone model is manufactured and designed in a way where it cannot be opened by a consumer or even a gifted techie without destroying its integrity. It has no screws, and the method to open it without destroying it is completely based upon muscle memory and a specific tool. In addition, even if you were to open it without destroying the plastic you would clean the keys only to have them still barely work. I train technicians to open them, and I have to sit them down with bad ones that they can destroy to practice opening them without tearing them up. Once the plastic tabs that hold them together are busted, the phone won't stay together properly and then your costs just went up to replace the plastic once you finally get it to the repair facility. So the best advice I can give in this case is to send it in for repair so the keypad can be fixed and upgraded. If you go to the Siemens website, and reach the Gigaset area, look for the FAQs and they can direct you to a repair source. Their global site is pretty large, so if you get lost, you can google Siemens Cordless Repair to find a solution.
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Depending on the model, this usually means "Serial signal (reverse) error at start up" which means that the indoor unit is not receiving a response from the outdoor unit when it tries to "talk" to it. It can be several causes but In my experience, it is usually the outdoor controller board. Again, depending on the model, there can be several boards in the outdoor unit any or all of which could be causing the fault as well as a faulty fan motor or compressor. The bottom line is that you are going to need a tech to take a look at it to diagnose properly.
is the button stuck or non responsive?if it is stuck try and clean around it, if that fails disassemble the unit and clean the housing and buttons reassemble the unit and test it,if it is non responsive then it may be damaged, disassemble the unit and manually press the connector that reacts to that button- if there is no reaction then the unit has malfunctioned, it is normally difficut to repair such damage- take in for repair to a jewelry shop
Steam got into key pay. Sometimes it will dry out. Take key pad apart and try to dry with a hair dryer, not to hot, you just want to blow condensation out of it. If this does not work, key pad needs to be replaced. The problem is they cost as much as a new microwave.
On this unit if you do a fact reset it should fix this problem steps as follows. PS you might need 2 people
1- unplug unit from back of unit
2- on the key pad on the tv hold the input and vol dowm buttons
3- while holding the buttons plug the tv in, keep holding the buttons until the screen comes up.
4- once the screen is up there should be a white K in a blue or green box.
5- next, on the key pad on the tv press the channel and vol down buttons once.
6- a menu should pop up
7- using the sharp remote,locate the directional pad
8- press the down button once should bring you to a 2nd page
9- top should state FACT INIT press the right arrow once to turn on, next a series of back slashes come up.
10- screen goes green and says INIT Successful
11- unplug unit from back of tv wait 10 sec then plug back in. tv should turn on by itself. should be back to as new.
If you get to step 7 and the remote still does not work then you need to replace the ir sensor board (aka) LED unit per Sharp.
if needed here is the orignal part info DUNTKE868FM01 about $12.00+ tax
That unit does not have a touch screen so holding the screen while powering up wont do anything. I'm not sure which key it is on that model, but to do a reset you hold down one of the keys while powering up. Try holding down the enter key while you power up. If that doesn't work, try again with the other keys until you find it. If it doesn't reset, you may have a dead keypad.