Research And Solution Problems: Page Info; System Operation With Pressure Switches; Modbus Mapping - EBARA 2SP MFC 1,5T-2 Instructions Pour L'installation Et La Maintenance

11.1 RESEARCH AND SOLUTION PROBLEMS: PAGE INFO

Display Indication
AL4
AL8
AL16-
N° CODE ALARM
AL32
AH2O
AL64

12. SYSTEM OPERATION WITH PRESSURE SWITCHES

Pree the key SB1 for three seconds
START
STOP
ATTENTION! The AUTO and STOP buttons of each electropump are NOT active and the current and frequency are not
displayed and the display visualized
To exclude the individual electropumps isolate:
- FU1 for M1,
- FU2 for M2,
- FU3 for M3,
Turn the isolating switch on the panel QS1 to "0".
TO MAINTAIN THE OPERATION OF THE ELECTRIC PANEL, IN THE EVENT OF FAULT BOARD KL1, REMOVE
AND RE-SUPPLAY VOLTAGE OF THE CONTROL PANEL.
The pressure switch functioning occured also in the following two cases:
- Loss or failure of the transducer;
- Loss or failure of the control board KL1
In case of loss or failure of the transducer the display will show:

13. MODBUS MAPPING

Protocol Reference:
Comunication configuration:
Terminals connections:
Related Parameters:
Description
Transducer connections
interrupted or inverted.
Pumps blocked, no phase motor
Incorrect calibration amperes
scale
Inverter Protection . Code List
Inverter Alarm
Overpressure
Minimum pressure
Lack of water, minimum level.
MODBUS application protocol specification V1.1b
9600/8/1/P
KL4 board terminals 20,21,22
Page [1.13] node address assignment in the modbus network
"RC Modbus" page under password 31109 for the enabled of the command parameters (see 3rd part)
1st Part: Reading numeric values - modbus command "0x04"
ENGLISH
Error Conditions

Check the electrical connections and the efficiency of transducers.
NB: in a sistem with a single transducer in the case of failure AL T1 the unit
automatically searches for the second transducer, if it is connected, it still
works in regolation otherwise the system pass to the switches control.

Unlock the pump manually.

Check the fuses of the motors.

Switch off power to the panel.

After waiting 5 minutes,re-supplay.

If the error persists, replace the inverter.

Shut down the plant.

Check if the parameter 124 if is properly set

Check the presence of water in the plant.

Enable the electric pumps at the march.

Check the presence of water in the plant.

Enable the electric pumps at the march.
51
Restore sequence