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4. Troubleshooting and Maintenance
EN
4.2
Troubleshooting
Problem Cause Remedy
The reading is extremely low (or
high).
Arm cuff not applied correctly.
Apply the arm cuff correctly.
Refer to section 3.1.
Movement or talking during
measurement.
Remain still and do not talk during
measurement.
Refer to section 3.3.
Clothing is interfering with the arm
cuff.
Remove any clothing interfering
with the arm cuff.
Refer to section 3.1.
Arm cuff pressure does not rise.
The air tube is not securely
connected into the main unit.
Make sure that the air tube is
connected securely.
Refer to section 3.1.
Air is leaking from the arm cuff.
Replace the arm cuff with a new
one.
Refer to Chapter 5.
Arm cuff deflates too soon. The arm cuff is loose.
Apply the cuff correctly so that it is
firmly wrapped around the arm.
Refer to section 3.1.
Cannot measure or readings are too
low or too high.
The arm cuff has not been inflated
sufficiently.
Inflate the cuff so that it is 30 to
40 mmHg above your previous
measurement result.
Refer to section 3.3.
HEM-7211-E_A_M_main.book Page 15 Thursday, October 7, 2010 2:51 PM