
2
2. Cleaner diagnostics results
• Only a person qualifi ed in the technical fi elds concerned (electricity, hydraulics or refrigera on) is authorised
to carry out maintenance or repair work on the appliance. The qualifi ed technician working on the appliance
must use/wear personal protec ve equipment (such as safety goggles and protec ve gloves, etc.) in order to
reduce the risk of injury occurring when working on the appliance.
• Before handling the appliance, check that it is switched off and isolated.
"GOOD" message or lit steadily = Test OK
"Com FAIL" message or
Problems Possible origins Solu ons
Communica on
error
Unit connec on to the cleaner Disconnect and reconnect the unit to the cleaner
Condi on of the fl oa ng cable
Check the condi on of the fl oa ng cable. For a more accurate diagnosis of the
fl oa ng cable; Perform the test by connec ng another fl oa ng cable between the
control box and the motor unit.
Use the "E-BOX" connector and not "SENSOR" when
connec ng the cable to the motor unit (risk of damage to
components)
E-BOX
Faulty motor unit* Replace the motor unit
Water in the motor unit* Replace the motor unit
"tr1 FAIL"/"tr2 FAIL" message or fl ashing
Problems Possible origins Solu ons
Trac on 1 short circuit
Trac on 2 short circuit
Motor blocked Check whether there is any debris blocking the wheels, turn the wheels (¼ turn)
Water in the motor unit* Change the motor unit
Motor at end of life* Change the 2 trac on motors**
Trac on 1 overload
Trac on 2 overload
Motor blocked Check whether there is any debris blocking the wheels, turn the wheels (¼ turn)
Motor at end of life* Change the 2 trac on motors**
"Pump FAIL" message or fl ashing
Problems Possible origins Solu ons
Pump short-circuit
Motor blocked Check the fl ow guide and the propeller
Water in the motor unit* Change the motor unit
Motor at end of life* Change the pump motor
Pump overload Debris or hair stuck in the pump Check the fl ow guide and the propeller
Water in the motor unit* Change the motor unit
Pump underload Faulty pump motor* Change the pump motor
"Sens FAIL" message or fl ashing
Problems Possible origins Solu ons
Sensor unit malfunc on
Connec on of the sensor connector Check the connec on
Water in the sensor connector Replace the sensor
Sensor cable wear Check the condi on of the sensor cable
* Informa on intended for use by professionals.
** We recommend changing both trac on motors at the same me, because tests have shown that end of life-level wear occurs more or less at the
same me in both.
• Once the error has been resolved, it is recommended you start a new cleaner diagnos cs sequence, see “1. Cleaner
diagnos cs”.
• To exit diagnos cs mode, press .