Error handling
Error
Possible cause
The device is just measuring.
The battery is too weak for further
measurements.
The measurement was aborted
before the measuring process
was completed.
There was a rude change in
ambient temperature during
the measuring process.
The ambient temperature does
not range between 10 °C and
40 °C (50 °F ~ 104 °F).
Errors 5-9: The device does not
work properly.
The measured temperature is higher
than 42.2 °C (108.0 °F).
The measured temperature is lower
than 34.0 °C (93.2 °F).
The device is not ready.
Maintenance and storage
• Use a dry cloth to clean the device after each use (recommended).
• Clean the measuring lens and sensor after each use.
• Do not immerse the device in water.
• Do not use gas or strong cleaning agents.
• If the measuring device is not used for a longer time, the battery should be remo-
ved. (Leaking batteries may damage the device)
.
• Protect the measuring device from direct sunlight, high temperatures, humidity and
dust.
• Do not expose the device to extremely low (below –20 °C (-4.0 °F)) or high (above
50 °C (122.0 °F)) temperatures.
26
GB
Remedy
Wait until
stops to blink.
Replace the battery.
Wait until
stops to blink.
Let the device rest for 30 minutes
at ambient temperature. The tem-
perature should range between
10 °C and 40 °C (50 °F ~ 104 °F).
Let the device rest for 30 minutes
at ambient temperature. The tem-
perature should range between
10 °C and 40 °C (50 °F ~ 104 °F).
Switch the device off, wait for
1 minute and switch it on again. If
the same error indication appears
again, have the device replaced
by your dealer.
Clean the measuring lens and
repeat the measurement.
Clean the measuring lens and
repeat the measurement.
Replace the battery.
AEG_FT_4905_Bed_Anl1.qxd 01.03.2005 12:17 Uhr Seite 26