Omron IntelliSense HEM-907 Instruction Manual page 6

Notes on Safety
Maintenance and inspection
1. Check the unit operation on regular basis.
2. If this unit has not been used for more than three months, be sure to check that this unit
operates normally and safely before use.
Troubleshooting
If device error 9 (Er9) occurs, take the following procedure promptly:
(1) Remove the cuff from the patient's arm.
(2) Turn off the power of the unit and unplug the AC adapter from the electric outlet.
(3) Display "Out of use" on this unit so that it cannot be used.
(4) Contact Omron repair service (1-877-216-1336).
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