Easy service procedure to get your touchscreen back to work

Service Manuals

Touchscreen display recalibration procedure

Easy service procedure to get your touchscreen back to work

Touchscreen display recalibration procedure

When It's Needed

Recalibration can be done if your touchscreen lost control and is not responding for pressing control buttons,

this can happened if you connect too many consumers to your power line

Workflow

Check this video and repeat as shown.

  1. Rapidly press 20-25 times your start screen in the middle to get BLUE calibration screen
  2. DO NOT look on crosses position on touchscreen, BUT Perform calibrating by pressing like on image below:

(1) Right Bottom

(2) Left Bottom

(3) Left Top