
DN:KD-927-SMSY01 V2.0 Operation Guide
17/22
Irregular heartbeat (arrhythmia)
It is inappropriate for people
with serious arrhythmia to use
this Electronic
Sphygmomanometer.
13. TROUBLESHOOTING (2)
PROBLEM POSSIBLE
CAUSE
SOLUTION
LCD Display
shows battery
symbol
Low Battery
charge the lithium battery
LCD shows
“Er 0”
Pressure system is unstable
before measurement
Don’t move and try again.
LCD shows
“Er 1”
Fail to detect systolic pressure
LCD shows
“Er 2”
Fail to detect diastolic pressure
LCD shows
“Er 3”
Pneumatic system blocked or
cuff is too tight during inflation
Apply the cuff correctly and try again
LCD shows
“Er 4”
Pneumatic system leakage or
cuff is too loose during inflation
LCD shows
“Er 5”
Cuff pressure above 300mmHg
Measure again after five minutes. If
the monitor is still abnormal, please
contact the local distributor or the
factory.
LCD shows
“Er 6”
More than 160 seconds with
cuff pressure above 15 mmHg
LCD shows
“Er 7”
EEPROM accessing error
LCD shows
“Er 8”
Device parameter checking
error
LCD shows
“Er A”
Pressure sensor parameter
error
LCD shows
“PC Er ”
PC communicate error
Connect the PC correctly and try
again
LCD shows
“
Er ”
BT communicate error
Connect the IOS device correctly
and try again
MAINTENANCE
1.
Do not drop this monitor or subject it to strong impact.
2.
Avoid high temperature and solarization. Do not immerse the monitor in water as this
will result in damage to the monitor.