Welch Allyn Atlas - 3.4 Diagnostic Tests

Section 3 - Troubleshooting
SERVICE MANUAL 6200-43E REV. A
WELCH ALLYN ATLAS MONITOR 17
Disassemble and inspect power supply, wires
Check fuse in power supply
Check fuse in neutral wire to power supply
Test power supply on bench
Check fuse in battery cable
If AC~ not lit, check power cord continuity, outlet power
available
Check connection at appliance inlet
Goto Power 1
Turn on power
Green light in power button
If not lit, goto LED 1
Loud beep when button pressed
If not heard, goto Sound 1
Fan running (622xx and 623xx)
If not running, goto Fan 1
Three dashes in SYSTOLIC
Three dashes in DIASTOLIC
If not seen, goto LED 1
If passed, goto BP 1
Two dashes in SPO2 (takes several seconds after BP
dashes come on)
Three dashes in PULSE (takes several seconds after BP
dashes come on)
Pleth: none, or a single bar at the bottom, or two bars at the
bottom
If not seen, goto LED1
If passed, goto SPO2 1
No lights in TEMP (622xx and 623xx)
If any are lit, goto Bad Boot 1
No lights in ALARMS OFF buttons
If any are lit, goto Bad Boot 1
3.4 Diagnostic Tests
Power 1
Power 2
Power 3