TESTO 315-3, Инструкция по эксплуатации

Страница: 19 / 24

8 Tips and assistance
19
Question Possible causes/solutions
and flash, E401
lights up
Rechargeable battery is empty,
instrument will soon switch off
automatically.
> Connect the mains unit (the warning
can be deleted with
[Hold/Max/Min] ).
and flash
Recharging the battery is impossible:
> Contact your dealer or the Testo
Customer Service.
Can the battery be
replaced?
The battery cannot be replaced.
> Contact your dealer or the Testo
Customer Service.
Can the battery be
charged via the USB
port of a laptop or
PC?
The battery cannot be charged.
Can Bluetooth
®
be
retrofitted?
Bluetooth
®
functionality cannot be
retrofitted.
Can humidity,
temperature and dew
point measurements
be carried out?
Humidity, temperature and dew point
measurements are possible with the
temperature/humidity module
(accessory).
The display is
illuminated also after
the testo 315 - 3 is
switched off
The display illumination goes out as
soon as the instrument has shut down.
While the display is illuminated, the
instrument cannot be switched on.
The CO
2
measuring
value is displayed as
0000
The current measuring value is over
10,000 ppm.
The CO2 reading is
implausible.
The gas opening on the back of the
instrument might be covered. This
means that a correct CO2
measurement is not possible.
If we could not answer your question or the solutions given during
troubleshooting did not help: please contact your dealer or Testo
Customer Service. Contact data see back of this document or
website www.testo.com/service-contact .