Omron HEM-907 Instruction Manual page 11

Notes on Safety
Maintenance
1. Be sure to inspect the unit on regular basis. Check accuracy on a 1 year interval.
2. If the unit has not been used for a while, be sure to confirm that the unit operates normally and safely before use
Durability
The durability of this unit is five years. (Arm cuff is a consumable.)
Measures to take at the time of trouble or accident
If a device error (Er9) occurs, take the following procedure promptly.
1. Remove the arm cuff from the patient's arm.
2. Turn off the power and pull the AC adapter from the electric outlet. If an optional battery pack is used, remove it also.
3. Display "Trouble" on the unit so that it cannot be used.
4. Contact the dealer where you purchased the unit or the nearest OMRON dealer
11