20 PanelView 800 HMI Terminals
Publication 2711R-IN001A-EN-P - January 2015
Troubleshooting
If your terminal does not start up correctly, check for adequate power and indicator states during powerup.
Check for Adequate Power
A terminal that does not receive adequate power could cause unpredictable behavior.
Verify the power requirements in the Specifications table.
Interpret the LED Indicators at Startup
The PanelView 800 terminals have indicators to isolate operating problems. They can be seen through the
battery cover on the back of the unit.
• Comm indicator for communications
• Fault indicator for hardware faults
At startup, the Fault indicator is off, except for a few brief flashes, and the Comm indicator is on. If the
indicators remain off, check the power cable. After a successful startup, both indicators are off and controlled
by the application running on the terminal.
The table shows the indicator states if the terminal stops during startup.
Fault Indicator States During Startup
Fault (Red)
Indicator State
Comm (Green)
Indicator State
Description Recommended Action
Potentially recoverable errors
Blinking Off Last firmware download failed. Reload the firmware.
Blinking Blinking EBC boot loader firmware failed or
is missing.
Reload the firmware.
Blinking On Windows CE OS firmware failed or
is missing.
Reload the firmware.
Nonrecoverable or fatal errors
On Off Fatal hardware error. Replace the terminal.
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