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Mode or Set is pressed and each subsequent change of a parameter implies typing in the new password again (e.g. the installer makes
all the settings with the default PW value = 0 and lastly sets the PW so as to be sure that the machine is already protected without any
further action).
If the password is lost there are 2 possibilities for editing the parameters of the device:
• Make a note of the values of all the parameters, reset the device with the factory values, see paragraph 13.5 Reset and factory
settings. The reset operation cancels all the parameters of the device, including the password.
• Make a note of the number present on the password page, send a mail with this number to your service centre, in a few days you
will be sent the password to unlock the device.
Password for multipump systems
When the PW is typed in to unlock a device in a set, all the devices are unlocked. When the PW is changed on a device in a set, all the
devices receive the change. When activating protection with a PW on a device in a set ( and on page PW when PW≠0), the
protection is activated on all the devices (to make any change you are asked for the PW).
13.3. Protection systems
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. Depending on the type of error the motor may
stop, but when normal conditions are restored the error status may be cancelled immediately or only after a certain time, following an
automatic reset. In the case of blockage due to water lack (BL), blockage due to motor overload (OC), blockage due to direct short
circuit between the motor phases (SC), you can try to exit the error conditions manually by simultaneously pressing and releasing the
and keys. If the error condition remains, you must take steps to eliminate the cause of the fault.
In the event of blocking due to one of the internal errors E18, E19, E20, E21 it is necessary to wait 15 minutes with the machine powered
until the blocked status is automatically reset.
Alarm giving advance warning of Hot Fluid Blockage
Alarm giving advance warning of Blockage due to overheating of the power amplifiers
Alarm indicating abnormal temperature recorded on the Low Voltage board
“Anti Cycling Smart” function running
“Anti Block” function running
“Anti Freeze” function running
Table 20: Fault description
Cutout due to pump overheating
Blockage due to water lack
Blockage due to reading error on the delivery pressure sensor
Blockage due to reading error on the suction pressure sensor
Blockage due to supply voltage outside specifications
Block for high DC voltage
Blockage due to overheating of the power stages
Blockage due to motor overload
Blockage due to short circuit between the motor phases
Blockage due to short circuit to earth
Blockage due to motor disconnected
Blockage due to i-th internal error
Blockage due to i-th internal voltage out of tolerance
Block for cyclicality abnormal detected on the system
Table 21: Indications of blockages
Parameters available in version KIWA
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