TROUBLESHOOTING
40 Model 7600/7800 Operation Manual
15.0 TROUBLESHOOTING
Power cord is plugged into the monitor and the ac outlet.
Fuses are not blown.
The ON switch is pressed.
• Trigger pulse is not functional
ECG size is optimal (select Lead II or AUTO)
• Erratic ECG waveform. Heart Rate is
not counting.
ECG waveform has enough amplitude (Select Lead II or
AUTO).
Electrodes placement (see ECG section for proper
placement diagram).
ECG electrodes have enough conductive gel.
Measured Impedance < 50kΩ.