ING
ITM-10001-ED4
Troubleshooting
Problem Cause Solution
The unit doesn’t work and the power-•
on light is off, even after connecting
the supply voltage and selecting
“AUTO” mode.
Wrong input connection.•
Phase failure.•
Over-voltage supply.•
Connect accurately.•
Check the three phases.•
Verify and measure the supply voltage.•
Pump OVERLOAD alarm trips.• Excessive motor consumption. •
Low overcurrent adjustment.•
Input phase failure.•
Verify the pump. The pump motor is overloaded. •
Check the motor consumption and adjust the current.•
Check the three supply phases.•
Pump UNDERLOAD alarm trips.• Low current consumption <1,5 A.•
Input phase failure.•
Motor not connected.•
Check the pump (no water in suction, stuck pipe, •
etc...).
Check the three supply phases.•
Connect the motor.•
The pump doesn’t re-start.• Re-start time is set to “0”.• Adjust the re-start time.•
The pump starts & stops on the mini-•
mum level probe (2 probes mode).
Maximum and minimum level probes inverted.• Place the probes in the correct position.•
Level control doesn’t work correctly.• Incorrect ground connection.•
Damaged wires.•
Check the ground connection.•
Check the integrity of the wires.•
The pump doesn’t start, low level light •
is off, External ON/OFF is not being
used.
External ON/OFF is open circuit.• Place a jumper over the External ON/OFF terminal •
blocks.
The pump doesn’t start, low level light •
is off, External ON/OFF is not being
used.
External ON/OFF is open or no supply voltage •
is applied.
Check the external remote control.•
The circuit breaker trips on start-up.• Excessive current consumption.• Verify the pump and its wiring.•
The pump doesn’t stop with External •
ON/OFF or level control.
“MANUAL” mode selected.• Select the “AUTO” mode.•
Specications
Supply voltage Single voltage 230 or 400 V~ (according to the model) -20% +30%
Power 10 CV (7,5 kW) at 400 V~
Overload/Underload adjustment 1,5 - 18 A (alarm trip in 7 sec.) Re-start time: 0-2 Hours
Probes: Supply voltage/Sensitivity 24 V~ / 9 Kohm. (protected against storms transient). Wire distance:
200 m. max. Min. section 0,5 mm.
Remote for EXTERNAL ON/OFF connection Contact or voltage 6 to 250 V~/V=
Terminal blocks wiring size 10 mm² (power) 4 mm² (control)
Protection Overload, Underload, Phase failure, Pump wiring failure + Wrong
control wiring
Size/Weight/Protect./Temp. 230 (high) x 180 (width) x 125 (deep) /1820 g / IP56 / -10 + 55ºC
Autovía A-92, Km. 6,5 - 41500 - Alcalá de Guadaíra - SEVILLA - ESPAÑA
Tfno. 34 954 999 900 - Fax. 34 95 425 93 60 / 70
www.toscano.es - info@toscano.es
TOSCANO LINEA ELECTRONICA, S.L.
Service line
(+34) 954 999 900
ISO9001:2000 Certicated by Bureau Veritas
EC DECLARATION OF COMPLIANCE WITH THE “LOW VOLTAGE” & “ELECTROMAGNETIC COMPATIBILITY” DIRECTIVES.
TOSCANO LINEA ELECTRONICA, S.L. declares that the equipment described in this manual complies with the provisions of the modied “LOW VOLTAGE” directive (Directive DC 2004/108/CE) and with the
modied “ELECTROMAGNETIC COMPATIBILITY” directive (Directive DC 2006/95/CE) and with national legislation based upon them. It also complies with the provisions of the following European standards
and draft standards:
NF EN 60.439-1 / EN 50.081-1 / EN 50.082-2.
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