Control panel diagnostic owcharts (touchscreen models)
Use the owcharts in this section to troubleshoot the following control panel problems.
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Touchscreen is blank, white, or dim (no image).
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Touchscreen is slow to respond or requires multiple presses to respond.
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Touchscreen has an unresponsive zone.
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No control panel sound.
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Home button is unresponsive.
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Hardware integration pocket (HIP) is not functioning (control panel functional).
134 Chapter 2 Solve problems ENWW
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