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Page 20 / 80 META_S_Rev6-s11 - Operating Instructions
12. ALARMS
Error reset can be automatic or manual, depending on the error that occurs. Manual reset is carried out using the
enter button and then start to restart the pump.
Code Description
Reset
ERR
Causes
Er01
Blockage due to no water.
No water in the suction tank.
MAN
No water in the suction tank.
The unit stops and then restarts automatically.
An attempt is made every 10 minutes for a total
of 5 attempts
Er02
Faulty pressure sensor – Max. pressure exceeded
MAN Faulty pressure sensor
Er03 Blockage due to low supply voltage AUT
Supply voltage lower than 185V.
- The system restarts automatically when the
supply voltage is higher than 190V.
Er04 Blockage due to high supply voltage AUT
Supply voltage higher than 255V.
- The system restarts automatically when the
supply voltage is lower than 250V.
Er05 Blockage due to excessive number of starts MAN
The system has started more than 150 times
in 1 hour. An attempt to restart after 5 min for a
total of 6 attempts.
Er06
Blockage due to overcurrent in the electro
pump motor
MAN
The system tries to restart automatically and
makes one attempt every 10 seconds for a total
of 3 attempts.
Er07 Pump not fully primed MAN
The system tries to restart automatically and
makes one attempt every 10 minutes for a total
of 5 attempts
Er08 Blockage due to internal overheating AUT
Overtemperature detected on the board. The
error is restored when the temperature drops.
Er09 Blockage due to overpressure MAN Pressure higher than 7.8 bar.
Er10 Thermal-protector intervention detected MAN Motor overheating
Er11 Blockage due to presence of air MAN Presence of air inside the pump casing.
From Er26
to Er31
Internal hardware error MAN
In case of internal hardware error contact an authorised service centre.
13. WARNING
The Warning remains active until the cause is no longer present. In the Warning condition, the pump can still
operate normally but it may be near the limits of the Error condition.
Code Symbol Causes Possible remedies
W1
20 restarts with stand-by time less than
5s
Check the membrane pressure, if necessary
install a tank of maximum 8 litres
W2
The pump is not properly primed or
there is air inside the pump casing. The
pump restarts whenever the system
pressure is under the restart pressure
threshold.
Make sure that the pump casing is full of liquid
and that all the air has been expelled.
W3
20 restarts with pump RUN time less
than 30s
Check if there are small leaks in the system
W4
The pump is running on the left part of
the performance curve
W5
The pump is running on the right part of
the performance curve
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