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4. Troubleshooting and Maintenance
Nothing happens when you press the
buttons.
The batteries are empty.
Replace the batteries with new
ones.
Refer to section 2.1.
The batteries have been inserted
incorrectly.
Insert the batteries with the correct
(+/-) polarity.
Refer to section 2.1.
Other problems.
• Press the O/I START button and repeat measurement.
• If the problem continues, try replacing the batteries with new ones.
If this still does not solve the problem, contact your OMRON retail outlet or
distributor.
Problem Cause Remedy
HEM-7211-E_A_M_main.book Page 16 Thursday, October 7, 2010 2:51 PM