Troubleshooting - DAB E1GI Installations- Und Wartungsanleitungen

19.

TROUBLESHOOTING

FAULTS
The motors P1
1.
(or Pilot) and/or
P2 and/or P3
and/or P4 are not
fed.
The pump P1
2.
(or Pilot) and/or
P2 and/or P3
and/or P4
continues
delivering and
does not respond
to commands.
No pressure in
3.
the system.
CHECKS (POSSIBLE CAUSES)
The magnetothermal switch of the
A.
control panel (ref. QM1 and/or QM2
and/or QM3 and/or QM4) or the
differential automatic switch of the
distribution panel have tripped.
B. No voltage on terminals L1-L2-L3.
The protection fuses FU2 and/or
C.
FU3 have tripped and the warning
light (ref. HL1) is off.
The contactors ref. KM1 and/or
D.
KM2 and/or KM3 and/or KM4
vibrate.
A. The pressure transducer is faulty and
the "Pumps Controller" electronic
control unit indicates BROKEN
SENSOR.
B. The contactors KM1 and/or KM2
and/or KM3 and/or KM4 are faulty
(contacts stuck).
C. The "Pumps Controller" electronic
control unit is faulty.
The "Pumps Controller" electronic
D.
control unit indicates parameters
ERROR.
The "Pumps Controller" electronic
A.
control unit is
connection terminal for the remote
control (ref. 1-2) is open.
ENGLISH
Check the insulation of the pump cables.
A.
Reset the magnetothermal switch inside
the control panel (ref. QM1-QM2-QM3-
QM4) or the differential switch on the
distribution panel.
B. Check the panel connecting cables and
any switches or isolating switches that
may have tripped in the system.
Find any short circuits and change the
C.
fuses that have tripped. If the fault
remains, contact Dab Service.
The supply voltage is insufficient.
D.
A. Check the connections or replace the
parts.
B. Change the component(s).
C. Replace the control unit.
Check the calibration of the parameters.
D.
Close the connection of the terminal.
A.
disabled. The
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TYPE OF INTERVENTION