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Confidential
■ Error code D800
Error occurred during touch panel initialization.
Error code D900
Communication between the panel PCB and main PCB is unavailable during touch panel
initialization.
Error code DA00
After the initialization of the panel PCB, no response was sent from the panel PCB for a period
of time.
Error code DB00
USB communication between the main PCB and panel PCB is unavailable.
Touchscreen initialization failed
Remove any material which is on the touchscreen.
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Step Cause Remedy
1 The version of the panel
firmware and the main firmware
do not match
Install the latest panel firmware and main
firmware.
2 Connection failure of the key
PCB flat cable
Reconnect the key PCB flat cable.
3 Key PCB flat cable failure Replace the key PCB flat cable.
4 Panel control PCB failure Replace the panel control PCB ASSY.
5 LCD unit failure Replace the LCD panel ASSY.
6 Key PCB failure Replace the panel case ASSY.
7 Main PCB failure Replace the main PCB ASSY.
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