|
DISPLAY |
MEANING |
ACTION |
| Nothing is
displayed even after unit is
turned on. |
Dead Battery |
Replace battery |
| Polarities of battery
are wrong (+ -) |
Reposition the battery |
| "F" or "C"
Flashes but "0" symbol is
NOT displayed |
The lens cover may be
dirty |
Replace the lens cover
with a new one. |
| Lens may be dirty |
Clean the lens with a
cotton swab |
| Ear drum may be blocked
with earwax. |
Removed earwax |
| A "0 0" symbol is
displayed |
The unit is working
under high room temp. |
Place in ear, wait 2
seconds. Press button, wait
for 4 beeps. Read results. |
| After all the symbols on
display illuminate, a box
with an "x" displays |
Low Battery |
Replace Battery |
| The display light is not
turned on |
Low Battery |
Replace Battery |
| "PC" |
Lens cover is not on
Probe |
Attach a lens cover,
then measure |
| "AA" |
Temperature of the unit
is unstable |
Make sure
the unit remains at room
temperature where
measurement will take place.
Allow 30 minutes to
stabilize before using.
Normal Range:
50-104 F
10-40 C |
| "AL" |
The temperature of the
unit is below 50 F |
| "AH" |
The temperature of the
unit is above 104 F |
| "Er.1" |
May require service |
Turn on the unit again.
If "Er.1" is displayed
again, the unit may require
service. Call Service Dept.
1-800-634-4350 |
| "H f" |
The measured temperature
was above the range of the
thermomter |
Probe may
not have been properly
positioned in ear. The probe
must be snug against the
opening of ear. Be sure the
lens cover is clean and ear
canal is not blocked with
earwax. |
| "L f" |
The measured temperature
was below the range of the
thermometer |
Ear
Thermometer