2.11 System overheating
Set-up
The issue occurs while the system is set up as follows:
• None specific (it is assumed only that the GUI is visible and that navigation by touchscreen is possible).
Symptom
The issue causes the following symptoms:
• System indicates overheating (Overheating symbol and/or warning message).
Diagnoses
The following information collection can be helpful to help diagnose and remedy the issue:
1. Note if system overheating occurs in a consistent and repeatable manner.
2. Note if system overheating occurs only under certain GUI settings, physical set-up, environment conditions
etc.
3. Confirm that the internal system fans can be heard when the system is turned ON.
4. The two internal system fans can be seen through the front air vent. Confirm that the fins of both fans can
be seen to turn (easiest seen when the system is turned ON and the fans speed up or when the system is
turned OFF and the fans slow down).
Field fix
The following actions may help to avoid the return of the system to the ESC for inspection:
1. Ensure that the system is removed form any packaging or carry case during extended usage.
2. Ensure that there is no material blocking either of the two system air vents.
3. Ensure that the physical set-up of the system does not cause either air vent to be obstructed.
RMA
Failing a successful field fix, it will be necessary to return the system to the ESC for inspection
• Initiate RMA process described in reference document [2] by submitting a completed RMA form [3] to
eZono.
Version: 1.1 © eZono AG, 2009-2015 - Confidential Page 17 of 25
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