have you calirated the touch pad you need a keyboard plugged into the smart pad
turn the key press the robot button select calibration might be in german
follow the screen instructions good luck craig !!
I may have 
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I've got a near-dozen KRC4s in the field with about a 50% incidence rate of a similar problem -- the SmartPad touch calibration seems to "drift" over time, and it's a bit of a crapshoot whether re-doing the calibration will actually do anything. And even when the re-calibration works, it generally drifts again given a few weeks.
From what I've seen so far, it's in the Pads, not the robots. But I don't understand why this keeps happening -- these SPs are not being abused or exposed to any harsh environmental conditions (stable room temperature, no abrasives, corrosives, liquids, or weld slag, etc).
Cheap Chinese tablets me thinks
Sent from my Nexus 5 using Tapatalk
Hi Everyone,
We have the same problem... just saying 
Drifting calibration is very dangerous as the wrong characters are being changed, line jumping etc.
Has caused many more hours programming and super re-checking.
The lower half of the screen seems worse than the top.
Hi there,
I have the same problem, the lower part of SmartPad is working worst than higher.
I calibrated it but after 5 minutes the problem returns.
I took a SmartPad Main board from other SmartPad, and the touchscreen was working perfectly, but I don't know what can I do to fix it, a new main board is very expensive.
If someone have already solved this problem, please tell me.
Are there some news??
solution is to be reasonable with use of smartPad and not kick it around, drop it etc. 
otherwise it gets expensive....
Band Aid Solution: Get a USB Bluetooth mouse and key board 
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