Error Messages - Microlife IR 1DE1-S Instruction Manual

11. Error messages

Display / Problem Display
Meaning
Measured
Temperature too
high
Measured tempe-
rature too low
Ambient tempera-
ture too high
Ambient tempera-
ture too low
Error function
display
Blank display
Dead battery
indication
Possible cause and
fault remedy
Displays «H» when
measured temperatu-
re higher than
100.0 °C or 212.0 °F.
Displays «L» when
measured temperatu-
re lower than 0 °C or
32.0 °F.
Displays «H» in
conjunction with the
«L» when ambient
temperature is higher
than 40.0 °C or
104.0 °F.
Display «L» in conjun-
ction with the «M»
when ambient tempe-
rature is lower than
5.0 °C or 41.0 °F.
When system has
malfunction.
Please check if the
battery has been loa-
ded correctly. Also
check polarity (<+>
and <->) of battery.
If the steady battery
icon is the only sym-
bol shown on the dis-
play, the battery
should be replaced
immediately.
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