5.2.4: to restore ESC plus factory settings, press the three status keys (
the display shows the flashing number 88. After that switch off the device and power up it again to
start a new calibration phase.
ATTENTION!: this operation doesn't reset any error condition on ESC plus.
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.
- 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
■+
at the same time until
+
)
▲
▼
POSSIBLE REMEDY
Check.
Increase the cross section of the
supply 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).