Mobi Technologies 70120 DualScan ULTRA User Manual
Page 21

Troubles
Battery symbol
on LCD
Check lists
Countermeasures
“Lo” on screen
(result below
32.0
℃ or 89.6℉)
“Hi” on screen
(result below
42.9
℃ or 109.3℉)
No response/
Automatic
reset when pulling
out insulator
Battery drained
Battery in wrong polarity?
Poor battery contact
Change batteries
Take out battery, reinsert
battery correctly
Low battery
Change new battery
Thermometer correctly angled
for the eardrum / forehead?
Follow user’s manual to
correctly angle for the
eardrum / forehead.
Please check the operation
method
Follow user’s manual for
proper measurement.
“Errp” on screen
“Errp” on screen
“Err5” on screen
Hardware problem
Environment temperature
beyond the
scope of
10℃~40℃(50.0℉~104.0℉)
for Ear
15℃~40℃(59.0℉~104.0℉)
for Forehead
Place the thermometer
into environment
temperature 10℃~40℃
(50.0℉~104.0℉) for Ear
15℃~40℃ (59.0℉~
104.0℉) for Forehead
Operation error, More than 15
seconds without test result in
measure heart rate mode
please follow the
instruction in user manual
“Er25” on screen
Thermometer temperature
measurement circuit failure
Consult manufacturer
Consult manufacturer
TROUBLESHOOTING GUIDE
21
NOTES:
1. Under an environment with electrostatic discharge, the unit may
malfunction and may require user to reset the unit.
2. Dispose with care; please consult your retailer or manufacturer
for instructions, if needed.