11. Error messages
10
Display / Problem
Display
Meaning
Possible cause and
fault remedy
Measured
Temperature too
high
Displays
«H»
when
measured temperatu-
re higher than
100.0 °C or 212.0 °F.
Measured tempe-
rature too low
Displays
«L»
when
measured temperatu-
re lower than 0 °C or
32.0 °F.
Ambient tempera-
ture too high
Displays
«H»
in
conjunction with the
«
L
» when ambient
temperature is higher
than 40.0 °C or
104.0 °F.
Ambient tempera-
ture too low
Display
«L»
in conjun-
ction with the «
M
»
when ambient tempe-
rature is lower than
5.0 °C or 41.0 °F.
Error function
display
When system has
malfunction.
Blank display
Please check if the
battery has been loa-
ded correctly. Also
check polarity (<+>
and <->) of battery.
Dead battery
indication
If the steady battery
icon is the only sym-
bol shown on the dis-
play, the battery
should be replaced
immediately.
