Welch Allyn Atlas - 3.2 Chief Complaint, Cause and Corrective Action

Complaint
Cause
Corrective Action
Power
Will not power up in AC
No wall power
Wrong wall power voltage/frequency
Fuse in power supply
Fuse in neutral wire
Power supply failure
LEDs
Random LSD segments unlit
Failed LED
LED 1
Subsystem LEDs unlit
Subsystem problem Check subsystem LED 1
LED intermittent, dim, flickering
Failed LED
Replace Display board
Buttons
Button not functional
Failed switch Button 1
Failed subsystem
Check subsystem
Button sticking under front bezel
Possible loose display board
Tight display board mounting screws.
Button intermittent or difficult to
Failed switch Button 1
make contact
sounds
No sound at all
Failed speaker or disconnected
Failed main board
Software corruption
Reload software
sound 1
Battery
Insufficient
life
Printer
Feed problems
Waveform print quality
Text print quality
Not functional
Feeding but not printing
Failing battery Battery 1
Paper inserted incorrectly
Door not latched
Failed printer
Software adjustment needed
Software adjustment needed
Failed printer
Printer cable
Paper inserted backwards
Wrong kind of paper
Failed printer
Printer 1
Printer 1
Printer 1
Printer 1
Printer 1
CRT
CRT is blank
CRT cables
Failed CRT
Failed Deflection board
Failed Main Board
CRT 1
Reinstall software
Section 3 -Troubleshooting
3.2 Chief Complaint, Cause and Corrective Action
12 WELCH ALLYN ATLAS MONITOR
Service Manual
6200-43E Rev. A