Troubleshooting - AEG FT 4919 Instruction Manual

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• Press the battery down till you hear a click.
• Attach the Battery cover again.
The device is delivered with the battery in place.
• Remove – if present- the protecting foil between battery

Troubleshooting

Error
Display
Error 5~9,the system
doesn't function properly.
Measurement was taken
before the device was
ready.
The device displays a
grave change in ambient
temperature.
The room temperature
is not within the range
of 10°C~ 40°C (50°F
~104°F).
Keep batteries away from children (A lithium cell
(CR2032) is included with the delivery of the device.)
The positive pole (+) must be on top, the negative
pole (-) on the bottom.
and pole. This foil protects the battery during transport
from potential discharge.
Problem Solution
Remove the battery for one
minute and insert it again.
If the error message appears
again, consult a service special-
ist.
Wait till the display doesn't flash
any more.
Put the thermometer in a room
with a temperature of 10°C ~
40°C (50°F ~104°F) for at least
30 minutes.