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Corrections
2.1 Replace the DIG-T2 board
3.1 Replace DIG-T2 board.
4.1 Replace the keyboard.
4.2 Replace the DIG-T2 board.
5.1 Calibrate sensor and check calibration
accuracy during the operation.
5.2 The sensor is faulty. Replace sensor.
6.1 See symptom s 32 in para. 11.3.2.
7.1 See symptom s 34 in para. 11.3.2.
Possible cause check-up and tests
2.1 If the other functions are OK, the display is
probably damaged.
3.1 DIG-T2 board is faulty.
4.1 Keyboard is faulty.
4.2 DIG-T2 board is faulty.
5.1 Check if the displayed value is near the
atmospheric pressure.
5.2 If the displayed value is significantly
different from the atmospheric pressure
probably that there is a problem with the
pressure measuring.
6.1 Incorrect reading of the door switch position
7.1 Incorrect reading of the reservoir float switch
position.
Symptom
2. System is on and display is
not lit.
3. System on and erroneous
or fragmented digits.
4. No response from one of
the keys.
5. The displayed readout for
the atmospheric pressure,
when the door of the
chamber is open, does not
conform to the actual
absolute pressure.
6. Pressing the START key
does not start the process,
despite the door is closed.
7. Pressing the START key
does not start the process
and the error message
ADD WATER is displayed
despite the water reservoir
being full.
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