L0520
RH0170.001
24/24
ABB SACE
SACE PR212
3.3.2. Connections
To carry out cabling of each terminal, closely follow the electrical application diagrams as well
as all the indications given in the documents mentioned in par.5.
Since the inputs and outputs are dedicated, cabling to the various terminals other than the one
indicated in the official ABB SACE electrical diagrams is not allowed.
3.3.3. Serial Number
The label with the Serial Number is located at the top on the left side.
3.4. Troubleshooting
The following table indicates a series of typical operating situations, useful for understanding and
solving any hypothetical faults or malfunctions.
N.B.:
·
Before consulting the table below, check any signalling of the LEDs on the front of the
PR212/T actuation unit.
·
Should the suggestions not lead to a solution of the problem, please contact the ABB
SACE service centre.
3.4.1. In case of fault
If it is suspected that the PR212/T is faulty, has malfunctions or has generated unwarranted
commands, we recommend you follow the indications below very carefully:
Prepare a brief description of the problem (when did it occur ?, how often ?, can the event be
reproduced ? )
Make a note of any accessories connected to the protection unit (actuation unit, signalling
unit, YO, YU, ), the serial number of the unit (see par.3.3.3)
Transmit/communicate all the information collected, together with the application electrical
diagram, to your nearest ABB SACE service centre.
The completeness and precision of the information given to the ABB service centre will
facilitate technical analysis of the problem encountered, and will allow us to take all necessary
actions in favour of the user rapidly.
