DN:KD-752-SMSY01 V1.0 Operation Guide
15/19
LCD shows “Er 6”
More than 160 seconds with cuff
pressure above 15 mmHg
minutes. If the monitor is
still abnormal, please
contact the local distributor
or the factory.
LCD shows “Er 7”
Inner memory error
LCD shows “Er 8”
Device parameter checking error
LCD shows “Er A”
Pressure sensor parameter error
No response when you
press button or load
battery.
Incorrect operation or strong
electromagnetic interference.
Take out batteries for five
minutes, and then reinstall
all batteries.
Bluetooth
connection
unstable
Bluetooth connection
unsuccessful, monitor is
abnormal, or strong
electromagnetic interference is
present
Reset iOS/Android device.
Reset monitor. Make sure
the monitor and
iOS/Android device are
away from other electrical
equipment. Please see
GENERAL SAFETY AND
PRECAUTIONS
