User Manual
21
Chapter 14 Troubleshooting
14.1 Automatic Switch off
① Please check whether the power of battery is used up. Turn off is for protecting circuit.
② Please check whether the alternating current voltage is too high, Turn off is for protecting
circuit.
③ Please check whether the alternating current disturb too high, whether the fix knob of lead
plug too tight. shut automatically is for protecting circuit when overload.
14.2 AC interference
① Is the ECG device ground cable proper?
② Is the electrode and leads’ ground cable proper?
③ Is the electrode and skin covered with enough Gel?
④ Is the metal bed grounding proper?
⑤ Does the patient touch the wall or metal sickbed?
⑥ Does other people touch the patient?
⑦ Whether there is powerful electric device working beside ECG device? For example: X
radial device or B-Ultrasound devices.
14.3 EMG interference
① Whether the patient room is comfortable.
② Is the patient nervous?
③ Is the sickbed too narrow?
14.4 Baseline drift
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