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E Series Service Manual

2-4

9650-1450-01 Rev. D

Displayed HR not accurate;

artifact present.

• Reduce or eliminate ECG artifact due to electrode or patient cable

movement. Route cables so that they don’t pull on electrodes or

swing excessively.

• Ensure patient is motionless.

• Check for possible excessive radio frequency interference.

• Verify a good connection of electrodes to the patient.

• Prepare the patient’s skin prior to the electrode attachment.

• Move patient cables away from other electrical equipment,

especially any RFI source.

• Ensure ECG cable fits snugly in unit.

• Change ECG cable.

• Replace/reposition ECG electrodes.

• Disable “Enable Pacer Detection” to reduce the effect of artifact.

• Check for contamination on snaps. Ensure

springs are intact.

• Check for intermittent ECG patient cable or

connector wiring.

• Replace ECG input connector.

• Replace ECG connector to the system board

cable.

• Replace system board.

False “Pacer Pulses Seen” The patient does not have an internal pacemaker, but pacer pulses are

displayed.

• Disable “Enable Pacer Detection” to reduce high frequency artifact.

Wandering baseline. See “Displayed HR not accurate.” above. Same as above example.

Electronic interference. Check for possible excessive radio frequency interference.

Move patient cables away from other electrical equipment.

• Turn off sources of excessive RFI.

• Move E Series unit away from RFI source.

Reported Problem Recommended User Action Recommended Technical Action

ZOLL E Series Service Manual

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