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4. Troubleshooting and Maintenance
4.1
The Icons and Error Messages
Error Display Cause Remedy
The systolic blood pressure is above
135 mmHg or diastolic blood pressure
is above 85 mmHg.
These criteria are for home blood pressure
measurement. For professional criteria,
please refer to Chapter 7.
The batteries are low.
You should replace them with new ones
ahead of time.
Refer to section 2.1.
The batteries are exhausted.
You should replace them with new ones at
once.
Refer to section 2.1.
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