GE HEALTHCARE MAC 2000, Operator'S Manual

Page: 185 / 226

Troubleshooting
Refer to “Replacing the Battery” on page 179 for instructions on installing the
battery.
• Verify the device is connected to an AC power outlet.
Refer to “Connecting the AC Power” on page 45 for instructions.
• Verify the equipment is receiving power from the outlet.
If the device is receiving power, the Power LED is lit.
ECG Data Contains Noise
If the acquired ECG data displays unacceptable noise levels, do the following:
• Check the patient’s position.
The patient should remain motionless during the acquisition of a resting ECG.
• Use the Hookup Advisor indicator to help determine the cause of the noise.
For more information, refer to “Hookup Advisor” on page 70 .
• Verify the electrodes are placed properly.
Refer to “Electrode Placement” on page 52 for information on proper electrode
placement.
• Verify the electrodes are applied correctly.
You must remove perspiration, excessive hair, lotions, and dead skin cells from
the electrode site.
Refer to
“Preparing the Patient’s Skin” on page 51 for more information.
• Check for defective or expired electrodes.
Replace the electrodes if there are any questions about their effectiveness.
• Check for defective, broken, or disconnected leadwires.
Replace the leadwires if there are any questions about their effectiveness. Refer to
“Connecting the Patient Cable” on page 46 .
• Consider using filters, ADS , and FRF to help eliminate or reduce ECG noise.
For more information, refer to “ECG Options” on page 73 , “Arrhythmia Printing
Options” on page 86 , or “Stress Options” on page 98 .
External Stress Equipment does not Move
If the external stress equipment does not move automatically when expected, do
the following:
• Verify the correct stress equipment is selected in Basic Setup .
For more information, refer to “Basic Setup” on page 113 .
• Verify the selected stress equipment is supported.
For a list of supported stress equipment, refer to “Connecting External Devices
(Stress Option)” on page 49 .
• Verify the stress equipment is connected to the cart.
External stress equipment is connected to the cart through a serial cable. For more
information, refer to
“Rear View” on page 32 .
• Verify the protocol is set up to activate the stress equipment.
The protocol can set the stress equipment’s speed and grade or load. For more
information, refer to
“Editing Stress Protocols” on page 137 .
• Verify the Stop TM button is not depressed.
For more information, refer to “Stress Test Keys” on page 98 .
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