Beurer FT 55 - Manual (Page 18)

18
7. Trouble shooting
Error
message Problem Solution
Autotest in progress, device not yeat ready for. Wait until the ear symbol stops flashing.
Large fluctuation in ambient temperature. Store the device for at least 30 minutes in the room where the
measurement will be taken.
Ambient temperature below 10 °C or above 40 °C
(<50 °F, >104 °F).
The ambient temperature must be between 10 °C and 40 °C (50 °F,
104 °F).
Device no longer functioning correctly. Take out battery for approx. 1 minute and insert again. If the error
message is repeated, consult your dealer or customer service.
(1) Ear thermometer mode: the temperature measured
is higher than 42.2 °C (108 °F).
(2) SCAN mode: the temper ature measured is higher
than 80 °C (176 °F).
Operate the thermometer only between the specified tempera ture
ranges. If necessary, clean the sensor tip. In the event of a repeated
error message, contact your dealer or customer service.
(1) Ear thermometer mode: the temperature measured
is lower than 34,0 °C (93.2 °F).
(2) SCAN mode: the temperature measured is lower
than -22 °C (-7.6 °F).
Operate the thermometer only between the specified temperature
ranges. If necessary, clean the sensor tip. In the event of a repeated
error message, contact your dealer or customer service.
Autotest not successful. Insert new battery.