PROBLEM
LCD shows "Er 5"
LCD shows "Er 6"
LCD shows "Er 7"
LCD shows "Er 8"
LCD shows "Er 9"
LCD shows "Er A"
No response when
you press button or
load battery
TROUBLESHOOTING 2.2
POSSIBLE CAUSE
Cuff pressure above 300mmHg
More than 3 minutes with cuff
pressure above 15 mmHg
EEPROM accessing error
Device parameter checking error
MCU self-verify error
Pressure sensor parameter error
Incorrect operation or strong
electromagnetic interference
Measure again after five
minutes. If the monitor is still
abnormal, please contact the
local distributor or the factory
Take out batteries for five
minutes, and then reinstall all
batteries.
-28-
SOLUTION