Section 3 -Troubleshooting
3.2 Chief Complaint, Cause and Corrective Action
ECG
Complaint
Cause Corrective Action
ECG waveform not displayed
(dashed lines)
Patient electrodes
Lead wires
Cable
ECG cable connection
Failed main board
ECG 1
ECG waveform not properly scaled
Possible patient physiology problem
Check gain setting
Reinstall software
ECG gain set to
10mm/mV
in
ECG 1
Advanced Configuration
ECG waveform not cascading Incorrect Advanced Cofiguration
setting
Change Advanced Configuration setting to:
Second trace source = ECG; ECG gain =
automatic
Heart rate not detected Patient electrodes
ECG 1
Lead wires
Cable
ECG cable connection
Failed main board
Possible patient physiology problem
Patient with Pacemaker?
Heart rate disagrees with Pulse rate Possible patient physiology problem
Repeat on another patient
Patient with Pacemaker?
ECG 1
SPO
2
1
Compare manual palpation
Reinstall software
Heart rate disagrees with manual
palpation
Possible patient physiology problem
Does patient have abnormal ECG?
Repeat on another patient
ECG 1
SPO
2
Sp0
2
displays not active
Incorrect brand sensor
Failes
Sp0
2
board
Failes
Sp0
2
sensor
SPO
2
1
Sp0
2
displays inaccurate
Impedance Respiration
Possible patient physiology problem
Sp0
2
1
IR waveform not displayed (dashes)
Possible patient physiology problem
ECG 1
Poor signal
LA/RA
placement Use modified electrode placement on
chest
walls
Service Manual 6200-43E Rev. A
WELCH ALLYN ATLAS MONITOR 13