Viewing System Information
Troubleshooting
3-2 Efficia CM Series Repair Guide
Viewing System Information
Before you troubleshoot the monitor, identify important information about the
monitor, such as the hardware version and the software version, which are displayed
on the General tab of the System Menu.
To view the System Menu:
• Select System ( ). The General tab of the System Menu appears.
Diagnosing a Problem
Before you begin to troubleshoot a problem or open the monitor for repair, check the
following basics:
1. Is the power switch turned on?
2. Is the battery adequately charged?
3. Is the AC power cord connected to the monitor and plugged into a functional AC
outlet?
4. Is the monitor's display functioning?
5. Are the LEDs on the front of the monitor lit as you expect?
Notes
• It may take several seconds for the AC Power LED to light or turn off after
the AC power cord has been connected or disconnected.
• It may take several seconds for the battery status icon to update and
appear.
If the monitor is not receiving power:
1. Check “Start-up and Power Sequences” on page 3-2, and then follow the
troubleshooting steps in “Power Problems” on page 3-5.
2. If the monitor has no — or an incorrect — display, follow the troubleshooting
steps in “Display Problems” on page 3-6.
When the monitor has power and a functioning display, use the information in this
chapter to diagnose other monitor problems.
Start-up and Power Sequences
The following table describes the start-up and power on phases of the monitor and its
components. If the monitor does not behave as described in the following table, see
“Display Problems” on page 3-6.
For the monitor to start correctly, it must be powered correctly as indicated by the lit
LEDs on the front panel.
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