This chapter identifies the informational messages that may appear on-screen and identifies necessary
troubleshooting procedures. This chapter should be used by service technicians to help diagnose problems
with the CoughAssist E70/CoughAssist T70 devices, along with determining what parts, if any, need to be
The following informational messages may appear on-screen.
Why isn't my device turning on? The backlight on the buttons does not light.
If you are using AC power:
Check the outlet and verify that the device is properly plugged in.
Make sure there is power available at the outlet and that the AC power cord is connected correctly
to the power supply and the power supply cord is securely connected to the device's power inlet.
If you are using an external power source:
Make sure your DC power cord and battery adapter cable connections are secure.