TESTO 875-2i pro - Tips and Assistance; Questions and Answers

8 Tips and assistance
40
8 Tips and assistance
8.1. Questions and answers
Question
Possible causes/solution
Message Backup battery
empty or not present is
shown.
1. Confirm the message with [OK].
2. Change buffer battery, see
Change buffer battery
page 39.
Error No memory card
inserted! is shown.
Memory card defective or not inserted.
1. Confirm the message with [OK].
2. Check or insert memory card.
Error Memory card full! is
shown.
Insufficient memory present.
1. Confirm the message with [OK].
2. Insert new memory card.
Error No lens/wrong lens!
is shown.
1. Switch off thermal imager.
2. Check lens.
Message Charging not
possible! is shown.
Ambient temperature is outside the
permissible range for charging the
battery.
1. Confirm the message with [OK].
2. Keep to the permissible ambient
temperature.
Error Permissible
instrument temperature
exceeded! is shown.
1. Switch off thermal imager.
2. Let instrument cool off and keep to
the permissible ambient
temperature.
~ is displayed before a
value.
Value is outside the measuring range:
extended display range with no
guarantee of accuracy.
--- or +++ is displayed
instead of a value.
Value is outside the measuring range
and the extended display range.
> Change measuring range.
xxx is displayed instead of
a value.
Value cannot be calculated.
> Check parameter settings for
plausibility.