ENGLISH
8
5.2.4:
to restore ESC
plus
factory settings, press the three status keys (
▲
+
■
+
▼
)
at the same time until
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
MEANING
POSSIBLE CAUSE
POSSIBLE REMEDY
6.1:
the motor does not
start and the ESC
plus
display the frequency.
Self-diagnosis 3.2.1.
Supply voltage is too low.
Check.
6.2:
ESC
plus
powers
the motor for a fraction
of a second.
Self-diagnosis 3.2.1.
High voltage drop at
breakaway.
Increase the cross section of the
supply cables.
6.3:
display of SB
blinking.
Operating dry or at low
load.
Stand-by for restoring of
level (10, 22, 45, 90
minutes).
- No water in the well.
- Pump unsuitable for the
motor.
- Reverse rotation of the
motor.
Check.
ATTENTION: the load should always
be considered as live.
6.4:
display of UL and
the motor is off.
Final lack of water
(after at least 4 tests and
167 minutes).
As above.
Solve the problem and reset ESC
plus
by switching it off and then
power up on again (see 3.2.13).
6.5:
display of flashing
OL and the motor is off.
Too high absorption of
current detected.
Pause pending return to
level (10, 20, 40 min).
Incorrect adjustment.
- Overload.
- Pump clogged with sand.
- Power supply voltage too
high.
- Pump unsuitable.
- Problems on motor.
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).
6.6:
display of
permanent OL and the
motor is off.
Too high absorption of
current detected.
Overload alarm.
- The motor does not start.
- Overload.
- Pump silted up.
- Supply voltage too high.
- Unsuitable pump.
- Problems with the motor.
6.7:
display of OF.
Missing phase.
- Missing phase.
- The motor is not
connected.
Solve the problem and reset ESC
plus
by switching it off and then on
again (see 3.2.13).
6.8:
the ESC
plus
is not
activated.
- No jumper on SW
contacts.
- The external contact is
open/disconnected.
Содержание ESC plus 3M
Страница 48: ...45 SW...
Страница 49: ...46 ESCplus 3M FIG 1...
Страница 50: ...47 ESCplus 4T FIG 2...
Страница 51: ...48 ESCplus 10T 15T FIG 3...
Страница 52: ...49 FIG 4a PSC MOTOR PUMP...
Страница 53: ...50 FIG 4b 2 WIRE MOTOR PUMP...
Страница 54: ...51 FIG 5 THREE PHASE MOTOR PUMP...
Страница 55: ......