16
ARCHIMEDE LCD SERIES - ENG
ELECTROIL
11* Fault IGBT 0-1
IGBT 0-1 problem.
Automatic re-start; final stop after 10 consecutive events.
* Alarm n°11 only for IMMP1.1/1.8/2.2 models, board AW-04.
12* Fault IGBT 2-3
IGBT 2-3 problem.
Automatic re-start; final stop after 10 consecutive events.
* Alarm n°12 only for IMMP1.1/1.8/2.2 models, board AW-04.
13
Minimum Flow
The pump stop for minimum flow limit achievement. It’s a normal working condition of
the system (no demand
of water on the delivery) even thug is on the alarm list,
Automatic re-start; no limits.
*Alarm n°13 only for IMMP1.1/1.8/2.2 models, board AW-04;
**Alarm n°11 only for IMTP1.5/2.2 models and ITTP1.5/2.2/3.0 models.
14* Max Pressure
The pump stop for maximum limit pressure.
Caution!!! The pressure limit is the one set in the control parameters and refers to the Set
Point pressure value.
Automatic re-start; final stop after 20 consecutive events.
*Alarm n°14 only for IMMP1.1/1.8/2.2 models, board AW-04;
** Alarm n° 12 only for ITTP1.5/2.2/3.0 models.
Table 7: Alarms
6.6 Group Functioning – Radio data transmission
Pumps controlled by inverters (maximum N°3 inverters in group) communicating with Radio in control logic MASTER – SLAVE type:
1. Set the MASTER inverter: Advanced Functions – Group Functioning - MasterSlave; Code = 0; N° Pumps (2 or 3);
2. Set on the remaining SLAVES Inverters (maximum 2): Advanced Functions – Group Functioning - MasterSlave; Code
(≥1) ; N° Pumps (2 or 3).
IMPORTANT: The self-regulation check must be done before the Master-Slave group setting, as described on 6.1. Use one
sensor for every Inverter to guarantee the redundancy and the group functioning continuity in case of damage of one of the
Motors/Sensors/Inverters; when a sensor have a problem the Master Inverter read the output of a sensor connected to one
other slave Inverter.
During group functioning in case of break voltage or fault to the Master Inverter or to the serial bus cable,
the others Inverters continuous functioning in single mode, reading their pressure sensors. Although there is
not inefficiency of the complete system, restore the damaged cable/sensor/inverter in order to guarantee the
perfect pressure control and the alternation of the pumps and its duration.
7 SOLUTION ON THE MOST COMMON INSTALLATION AND WORKING PROBLEMS
1
Pressing start button the
motor don’t start or start and
stop after few seconds and
the inverter show Over-
Current alarm or Current
Pick alarm
Check if the input/output of the inverter are respectly connected between line
and motor, without inversion (Warning: input/output inversion can damage the
electronic board of the inverter).
Check the correct connection of the pump (star/delta): possible mistake.
Check if all the three wires to the motor are connected good and the three
current are balanced.
Check if the motor power size is not so high on respect to the inverter size.
Check if the inverter is not on Master-Slave condition (Advanced Functions ->
Group Functioning) set to slave, without the Master inverter connected and
switched on: in this situation waiting 30s after pressing start button, the inverter
will start automatically alone.
2
Pressing start button the
motor don’t start or start and
stop immediately and the
inverter show Under Voltage
alarm
Check that all the input voltage supply wires are connected good on the
entrance of the inverter: if the inverter input is three-phases but on the
connection there are only two, the inverter switch on and can start the motor,
but haven’t enough power to supply it.
Check that before the inverter the supply line wires size are good to have a
limited voltage drop, then a sufficient voltage value on the inverter.
3
During working at the
maximum power the inverter
reduce continuously the
output power to the motor
then stop the motor and the
inverter show Over
Temperature IGBT alarm
/Inverter Temperature alarm
Temperature of the electronic board of the inverter is too high and the inverter
must remain stop for few minutes to reduce the internal temperature before the
automatic restart.
For wall mounting type be sure that the inverter stand on a wall, in vertical
position, protected from directly sunlight, and the air flow is totally free; for
motor mounting type check that the air flow from the motor fan is good to limit
the aluminum temperature of the inverter case under 60°C; the inverter cannot
work continuously at the maximum power with a ambient temperature higher
than 40°C and with high temperature can reduce automatically the output
power (-10%, -20% then stop for few minutes). .
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