Instruction Manual for TESA TWIN-SURF
33
9
TROUBLESHOOTING
The instrument is equipped with an internal self-diagnostics system to allow you to detect the most common errors.
For each error message, a solution procedure should help you to resolve your issue.
Error message
Error reason
Solution
Mechanism jammed
The moving part of the instrument has
jammed.
The instrument suffered a shock, or
the electronic components have been
damaged.
By pressing the switch on / start
measurement button, the instrument
should unlock.
Limit switch not released
The limit switch that allows the
instrument to perform the
measurement doesn’t work properly.
By pressing the switch on / start
measurement button, the instrument
should unlock.
Limit switch pressed in measure
Faulty signal of the switch. The
electronic board of the instrument
doesn’t work properly
By pressing the switch on / start
measurement button, the instrument
should unlock.
Measure range limit exceed
The useful range of the instrument
has been exceeded.
It is advisable to check the height at
which the measurement is performed.
If the problem persists, check that the
probe is correctly inserted.
Parameter R not calculable
The values calculated in calibration
differ too much from the nominal
values of the sample.
It is advisable to check the sample on
which the calibration is performed and/
or the value of the sample entered the
instrument.
Calibration no valid
The values calculated in calibration
differ too much from the nominal
value of the sample
It is advisable to check the sample on
which the calibration is performed and/
or the value of the sample entered the
instrument.
Redo calibration !
The instrument has been
reprogrammed or reset.
The instrument has no calibration
inside it. Perform a new calibration
Battery is too low
The
battery doesn’t have enough
charge to perform the measurement.
The instrument must be charged.
Measures memory full
The memory of the instrument is full
Using the software to remove the
internal memory of the instrument, see
chapter 7.5.
Battery error
The battery is damaged
The battery must be replaced, if the
problem persists send the instrument
for service.
Additionally to the solution procedure mention in the figure, a firmware reset can help you to solve the issue. Please
follow the step below.
Firmware reset procedure:
1. Shut off the instrument.
2. Press and hold two buttons of the right side.
3. Press and hold the third button on the left side.
4. Release the three buttons.
5. If the reset has been done
successfully, the instrument display “No data available”. The device will ask to redo a
calibration when you try to perform a new measurement.
If the problem remains the same, please contact TESA Service.
