DAB ESC PLUS 3M Instructions Pour L'installation Et La Maintenance page 10

6 TABLE OF IDENTIFICATION OF ERRORS:
TROUBLE
6.1: the motor does not start
and the ESC plus display the
frequency.
6.2: ESC plus powers the
motor for a fraction of a
second.
6.3: display of SB blinking.
6.4: display of UL and the
motor is off.
6.5: display of flashing OL
and the motor is off.
6.6: display of permanent OL
and the motor is off.
6.7: display of OF.
6.8: the ESC plus is not
activated.
MEANING
Self-diagnosis 3.2.1.
Self-diagnosis 3.2.1.
Operating dry or at low load.
Stand-by for restoring of level (10,
22, 45, 90 minutes).
Final lack of water
(after at least 4 tests and 167
minutes).
Too high absorption of current
detected.
Pause pending return to level (10,
20, 40 min).
Too high absorption of current
detected.
Overload alarm.
Missing phase.
ENGLISH
POSSIBLE CAUSE
Supply voltage is too low.
High voltage drop at breakaway. Increase the cross section of the supply
- No water in the well.
- Pump unsuitable for the motor.
- Reverse rotation of the motor.
As above.
Incorrect adjustment.
- Overload.
- Pump clogged with sand.
- Power supply voltage too high.
- Pump unsuitable.
- Problems on motor.
- The motor does not start.
- Overload.
- Pump silted up.
- Supply voltage too high.
- Unsuitable pump.
- Problems with the motor.
- Missing phase.
- The motor is not connected.
- No jumper on SW contacts.
- The external contact is
open/disconnected.
8
POSSIBLE REMEDY
Check.
cables.
Check.
ATTENTION: the load should always be
considered as live.
Solve the problem and reset ESC plus by
switching it off and then power up on again
(see 3.2.13).
Check correct current absorption and current
threshold setting (AM).
(Arbitrarily increasing the adjustment setting
is not a solution).
See following points.
Solve the problem and reset ESC plus by
switching it off and then on again (see
3.2.13).
Solve the problem and reset ESC plus by
switching it off and then on again (see
3.2.13).