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6. Troubleshooting
6.1 Flashing shower indicators
Indicator status
Meaning Solution
Top segment lit in orange with a lit
segment of the water drop lit on the left
Fault with the regulation
sensor (Outlet tank)
Replace the regulation sensor.
Top segment lit in orange with a lit
segment of the water drop lit on the right
Fault with the regulation
sensor (Inlet tank)
Top segment lit in orange with the bottom
segment lit
Communication error with
the power board
Check the connection to the power board
(MCB). If connected, replace the MCB or
contact after-sales service.
6.2 No indicator on*
Possible cause Action to be taken Solution
Water heater power
supply faulty
Check the water heater power supply (230
volts) using a measuring device (multimeter).
If there is no power supply or the power
supply is faulty, contact an electrician
Check whether the power supply is
continuous (24/7).
If the appliance is connected to the o-peak
hours switch, the installation is incorrect;
contact an electrician
Safety
thermostat
deactivated
Check the power supply at the outlet
for the safety thermostat(s).
Reactivate the thermostat safety device.
If this fault is still present, contact an
installer and the after-sales service.
Water heater operational
fault
Check the water heater power supply at the
PCB using a measuring device (multimeter)
to ensure it is 230 volts.
If the power supply is correct, contact an
electrician to have the PCB replaced.
Check that the cable connecting the PCB
and control unit is correctly connected.
Reconnect the connecting cable correctly.
* Unless HMI switched o deliberately
Your water heater: Troubleshooting
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