Troubleshooting
This section provides the following tables to help troubleshoot the monitor.
• Symptoms and solutions: These tables list symptoms you might observe, list possible
causes, and suggest actions that may eliminate the problem.
• Technical alarm messages: These tables list messages generated by the monitor software
when a problem is detected. The tables explain possible causes and suggest actions that can
resolve the problem.
These tables can help you diagnose and fix a problem. They do not replace basic troubleshooting
skills. You must still trace the source of the problem to the board or module level to decide the best
course of action. Welch Allyn does not support component-level repair to the board or module. For
available replacement parts, see “Field Replaceable Units.”
WARNING Do not perform troubleshooting on a monitor that is emitting smoke or
exhibits other signs of excessive overheating. Disconnect the monitor from AC
power and call Welch Allyn Technical Support immediately.
Caution Replace parts, components, or accessories only with parts supplied or
approved by Welch Allyn. The use of any other parts can lead to inferior monitor
performance and will void the product warranty.
Symptoms and solutions
Power
Symptom Possible cause Suggested action
The monitor does not power up A new battery was installed Connect AC power to wake up
the battery.
The AC power is disconnected Connect AC power.
The power cord is defective Replace the power cord.
The battery is discharged Charge the battery.
The power button is defective Replace the right side panel
and power button.
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