TESTO 310 - Tips and assistance; Questions and answers

7 Tips and assistance
32
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7 Tips and assistance
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7.1. Questions and answers
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Question Possible causes / solution
Rechargeable battery low > Switch to mains operation.
Measuring instrument
switches off automatically
or cannot be switched on
Batteries / rechargeable batteries
empty.
> Charge rechargeable battery or
switch to mains operation.
When switching off, the
instrument rinses the gas
path for a long time and
does not shut down.
The gas path is closed by the sealing
plug.
> Remove the sealing plug and
insert the filter.
Error message: E04
O2 sensor is worn out
> Contact Testo Service
Error message: E05 O2 measuring value is outside the
measuring range
> Note the measuring range (see
Technical data)
Error message: E06
Zeroing in the flue gas duct
> Carry out zeroing outside the flue
gas duct (zeroing is repeated a
maximum four times).
Error message: E08 CO measuring value outside the
measuring range (>4000ppm)
> Note the measuring range (see
Technical data)
> Purge CO sensor with fresh air to
prevent destruction of the CO
sensor.
Error message: E12 / E13
CO measuring value unstable
> Carry out zeroing outside the flue
gas duct (zeroing is repeated a
maximum four times).
Error message: E14
Checksum error
> Critical error, contact Testo
Service