EKG6012
31
Chapter 8 Troubleshooting
8.1 Auto shutdown
➢
The battery is almost running out, which causes overdischarge protection circuit action.
➢
The voltage of AC power supply is too high, which causes overvoltage protection circuit
action.
8.2 AC interference
➢
Whether the device is grounded reliably?
➢
Whether the electrode or lead cable is connected correctly?
➢
Whether the electrodes and skin are daubed with enough conductive paste?.
➢
Whether the metal bed is grounded reliably?
➢
Whether the patient is touching the wall or metal parts of the bed?
➢
Whether the patient touches other people?
➢
Whether there is high power electric equipment working nearby? Such as X-ray machine
or ultrasonic device, etc.
Note: If the interference can not be removed after taking above measures, please use a
AC filter.
8.3 EMG interference
➢
Whether the room is comfortable?
➢
Whether the patient is nervous?
➢
Whether the bed space is narrow?
➢
Whether patient speaks during recording?
➢
Whether the limb electrode is too tight?
Summary of Contents for EKG6012
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