Product Notifications

Service Memo Notification

Public | Finalized Published: 11 October 2010 - Reference: 36_2010_SM

Series 2 Touch Screen failure symptoms

We have identified 3 failure symptoms that apply for the Series 2 Displays (MMD) and Panel Computers (MMC) products with factory mounted touch screen.
HD 12T04 xxxx
HD 15T06 xxxx
HD 19T03 xxxx

HD 12T04 xxxx

Description / Sympton(s):

#1: There is no response from the touch screen, but connecting a regular mouse to the computer will work as expected. If the USB cable is disconnected and reconnected the touch screen will work as expected again.
#2: There is no response from the touch screen, and regular mouse is working unsatisfactory. The touch screen recovers after being placed in a dry environment for some days.
#3: The touch screen the pointer is always moving to a small area of the screen.

Cause:

#1: The touch controller is sensitive to irregularities in the USB signal which is caused by long, thin, poorly shielded USB cables and/or unpowered USB hubs and repeaters.
#2: There is an air-gap in this type of display that can be filled with water if the seal is broken. This will cause the touch screen to malfunction.
#3: Extreme exposure to damp heat or humidity may cause buckling of the touch foils making a permanent touch register in a small area of the screen

Solution:

#1: Use short, thick, well-shielded USB cables and powered USB hubs and repeaters.
#2: The touch screen glass has to be replaced at one of our service locations.
#3: The touch screen glass has to be replaced at one of our service locations.

Contact:

For further enquiries regarding this Service Memo Notification, please contact Support at Hatteland Technology AS.

Matching products online:

HD 12T04 MMD-BOxx
HD 12T04 MMD-COxx
HD 12T04 MMD-FOxx
HD 15T06 MMD-BOxx
HD 15T06 MMD-COxx
HD 15T06 MMD-FOxx
HD 19T03 MMD-BOxx
HD 19T03 MMD-COxx
HD 19T03 MMD-FOxx
HD 12T04 MMC-BOxx
HD 12T04 MMC-COxx
HD 12T04 MMC-FOxx
HD 15T06 MMC-BOxx
HD 15T06 MMC-COxx
HD 15T06 MMC-FOxx
HD 19T03 MMC-BOxx
HD 19T03 MMC-COxx
HD 19T03 MMC-FOxx

Implemented by:

________________________________

Leif Grindheim
VP Production and Service
Hatteland Technology AS

Read and Understood by:

________________________________

(Your name)
(Your company)

Last revised: 27 August 2024