Operating Instructions
PBS Hygienic
O p e r a t i n g I n s t r u c t i o n s | S I C K
5 3
8016359/2013-05-20 | PBS Hygienic
Subject to chance without notice
8. Faults
In the event of any faults, first check whether the pressure switch is mounted correctly, mechanically and electri
-
cally.
Error display
Via the instrument's display internal errors are output.
The following table shows the error codes and their meaning.
Problem
Possible cause
Measure
No output signal
Cable break
Check the continuity
No output signal
No/wrong power supply
Rectify the power supply
No/wrong output signal
Wiring error
Observe the pin assignment
Constant output signal upon change in
pressure
Mechanical overload caused by overpressure
Replace instrument; if it fails repeatedly, contact the
manufacturer
Deviating zero point signal
Overpressure limit exceeded
Observe the permissible overpressure limit
Signal span too small
Mechanical overload caused by overpressure
Replace instrument; if it fails repeatedly, contact the
manufacturer
Signal span too small
Power supply too high/low
Rectify the power supply
Signal span drops
Humidity has entered
Assemble the cable correctly
Signal span drops/too small
Diaphragm damaged, e.g. due to impacts,
abrasive/aggressive medium; corrosion at
diaphragm/process connection
Contact manufacturer and replace instrument
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.
8. Faults
