Faults; Error Display - Festo SPAW Manual De Instrucciones

7. Maintenance and cleaning / 8. Faults
For information on returning the instrument see chapter 9.2 "Return".

8. Faults

In the event of any faults, first check whether the pressure sensor is mounted correctly, mechanically and electrically.

Error display

Via the instrument's display internal errors of the instrument are output.
The following table shows the error codes and their meaning.
Error Description
ATT1 On changing the switch point, the system automatically reduces the reset point.
ATT2 Zero-point adjustment error, current pressure is outside the limits
ATT3 Password entered for menu access is incorrect
ERR Internal error
OL Overpressure, measuring range exceeded > approx. 5% (display blinks)
UL Underpressure, below measuring range < approx. 5 % (display blinks)
Acknowledgement of an error display by pressing the „Enter" key.
Problem
No output signal
No output signal
No/wrong output signal
Constant output signal upon change in
pressure
Deviating zero point signal
Signal span too small
Signal span too small
Pressure sensor SPAW
Possible cause
Cable break
No/wrong power supply
Wiring error
Mechanical overload caused by overpressure
Overpressure limit exceeded
Mechanical overload caused by overpressure
Power supply too high/low
Measure
Check the continuity
Rectify the power supply
Observe the pin assignment
Replace instrument; if it fails repeatedly,
contact the manufacturer
Observe the permissible overpressure limit
Replace instrument; if it fails repeatedly,
contact the manufacturer
Rectify the power supply
EN
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