Troubleshooting
This section provides the following tables to help troubleshoot the device.
• Interpreting log file output: The tables and sample calculations in this topic show
you how to parse and interpret error log messages.
• Symptoms and solutions: This simple table lists symptoms you might observe,
possible causes, and suggested actions that might eliminate the problem.
• Technical alarm messages: These tables list messages generated by the device
software when a problem is detected. The tables explain possible causes and
suggest actions that can resolve the problem. Compare to the Symptoms and
solutions table, these tables are much more exhaustive.
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 device that is emitting
smoke or exhibits other signs of excessive overheating. Disconnect the
device 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 device performance and will void the product warranty.
Interpreting log file output
The device supports saving log files to a USB flash drive. You can then read saved log
files on a PC to assist in analysis. This method allows access to the log files without
having to connect the device to a PC.
Save log files
Complete the following steps to save a log file to a USB flash drive:
1. Insert a compatible USB flash drive into the USB port of the monitor or the APM
work surface if one is configured for your device.
2. Access Advanced settings.
3. Navigate to Service > Log file.
4. Touch Save to USB. A "Save successful" message appears after a successful save.
5. Remove the USB flash drive from the USB port.
Access log files
Complete the following steps to access and start working with log files saved to a USB
flash drive:
1. Insert the USB flash drive into a USB port on your PC.
2. Open the USB flash drive and identify the saved log files. Look for .zip files that
resemble this example, with the first set of numbers being a datestamp in the
YYYYMMDD format:
logfi
les_20150108_193903_179.zip
Service manual Appendix 147
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