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DAB e.sybox mini3 Bedienungs Und Wartungsanweisungen Seite 66

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In Basic mode, once the condition of recurrence is detected the pump
stops and remains waiting to be manually reset. This condition is com-
municated to the user by the lighting of the red "Alarm" led and the appear-
ance of the word "ANTICYCLING" on the display. After the leak has been
removed, you can manually force restart by simultaneously pressing and
releasing the "+" and "-" keys.
In Smart mode, once the leak condition is detected, the parameter RP is
increased to decrease the number of starts over time.
6.1.3 - Anti-Freeze (Protection against freezing of water in the system)
The change of state of water from liquid to solid involves an increase in
volume. It is therefore essential to ensure that the system does not remain
full of water with temperatures close to freezing point, to avoid breakages
of the system. This is the reason why it is recommended to empty any elec-
tropump that is going to remain unused during the winter. However, this
system has a protection that prevents ice formation inside by activating the
electropump when the temperature falls to values close to freezing point.
In this way the water inside is heated and freezing prevented.
The Anti-Freeze protection works only if the system is regularly
fed: with the plug disconnected or in the absence of current the
protection cannot work.
However, it is advised not to leave the system full during long peri-
ods of inactivity: drain the system accurately through the drainage
cap and put it away in a sheltered place.
6.1.4 - "BP1" Blockage due to fault of the delivery pressure sensor
(system pressurisation)
If the device detects a fault in the delivery pressure sensor the pump re-
mains blocked and the error signal "BP1" is given. This status begins
as soon as the problem is detected and ends automatically when correct
conditions have been restored.
6.1.5 - "BP2" Blockage due to fault of the suction pressure sensor
If the device detects a fault in the suction pressure sensor the pump re-
mains blocked and the error signal "BP2" is given. This status begins as
soon as the problem is detected and ends automatically when correct con-
ditions have been restored.
63
6.1.6 - "PB" Blockage due to supply voltage outside specifications
This occurs when the allowed line voltage at the supply terminal assumes
values outside the specifications. It is reset only automatically when the
voltage at the terminal returns within the allowed values.
6.1.7 - "SC" Blockage due to short circuit between the motor phases
The device is provided with protection against the direct short circuit which
may occur between the motor phases. When this blockage is indicated
you can attempt to restore operation by simultaneously holding down the +
and – keys, but this will not have any effect until 10 seconds have passed
since the moment the short circuit occurred.
6.2 - Manual reset of error conditions
In error status, the user can cancel the error by forcing a new attempt,
pressing and then releasing the + and – keys.
6.3 - Self-reset of error conditions
For some malfunctions and blockage conditions, the system attempts au-
tomatic self-reset.
The auto self-reset procedure concerns in particular:
"BL"
Blockage due to water lack
"PB"
Blockage due to line voltage outside specifications
"OT"
Blockage due to overheating of the power stages
"OC"
Blockage due to motor overload
"BP"
Blockage due to fault of the pressure sensor
For example, if the system is blocked due to water lack, the device auto-
matically starts a test procedure to check whether the machine is really
left definitively and permanently dry. If during the sequence of operations
an attempted reset is successful (for example, the water comes back), the
procedure is interrupted and normal operation is resumed.
Table 9 shows the sequences of the operations performed by the device for
the different types of blockage.

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