ENGLISH
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The maximum number of faults that can be stored and displayed is 16; when this number is reached, the list starts to
overwrite the oldest ones.
7 PROTECTION SYSTEMS – LOCKS (FAULT)
The device is equipped with protection systems to preserve the pump, the motor, the supply line and the inverter. If
one or more protections trip, the one with the highest priority is immediately notified on the display.
Faults cause switching off of the motor and lighting of the red warning LED (
).
In some types of fault, the motor restarts as soon as normal conditions are restored; in others, attempts at automatic
reset are carried out after a certain space of time.
It is also possible to try to cancel the error condition manually (see the following paragraphs).
If the error condition remains, you must take steps to eliminate the cause of the fault.
In system fault condition, with the red LED (
) lit, the keys “SET1-4” or “QuickClean” are not accepted;
however, if one them is already active, it remains.
Fault
No.
Description on the display
e1 / e14 Internal error
e15
Motor phases short circuit
e16
Short circuit to earth
e17 / e19 Internal error
e20 / e22 Electronic excess temperature
e23
Low mains voltage
e24
High mains voltage
e25
Motor excess temperature
e26 Motor
blocked
e27 Dry
operation
e28
Pump not primed
e29 No
current
e31 Internal
error
Table 5 – List of Faults
7.1 Manual reset of error conditions
In block (fault) status, the user can cancel the current error and force a new attempt by pressing and releasing the
“
Reset
” key.
If the action is successful, the red warning LED (
) goes out and the system returns to normal operation.
Instead, if the error condition remains, you must take steps to eliminate the cause of the fault.
7.2 Automatic reset of error conditions
For some types of fault, automat reset attempts are contemplated.
In particular for:
‐
e27 Dry
operation
‐
e28
Pump not primed
a new attempt is made after a few minutes, and repeated cyclically.
If an attempt is successful during the reset sequence, the sequence is interrupted, the red warning LED (
) goes out
and the system returns to normal operation.
In the case of the “Excess temperature” faults, the system resume operation as soon as the temperature returns within
the normal operating range.
7.3 Viewing the block history
The list of the faults and blocks that have occurred most recently can be consulted under the menu item “
Fault
History
”. See paragraph 6.2.9.
