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Your water heater: Troubleshooting
6. Troubleshooting
6.1 Flashing shower indicators
Indicator status
ndicator status
I
Top segment lit in orange with a lit
Top segment lit in orange with a lit segment
segment of the water drop lit on
of the water drop lit on the left
the left
Top segment lit in orange with a lit segment
of the water drop lit on the right
Top segment lit in orange with the bottom
segment lit
6.2 No indicator on*
Possible cause
Water heater
power supply faulty
Safety
thermostat
deactivated
Water heater operational
fault
* Unless HMI switched off deliberately
Fault with the
regulation sensor
(Outlet tank)
Fault with the
regulation sensor
(Inlet tank)
Communication error with
the power board
Action to be taken
Check the water heater power
supply (230 volts) using a
measuring device (multimeter).
Check whether the power supply is
continuous (24/7).
Check the power supply at the outlet
for the safety thermostat(s).
Check the water heater power supply at the
PCB using a measuring device (multimeter) to
ensure it is 230 volts.
Check that the cable connecting the PCB and
control unit is correctly connected.
Meaning
Replace the regulation sensor.
Check the connection to the power board
(MCB). If connected, replace the MCB or
contact after-sales service.
If there is no power supply or the power
supply is faulty, contact an electrician
If the appliance is connected to the
off-peak hours switch, the installation is
incorrect; contact an electrician
Reactivate the thermostat safety device.
If this fault is still present, contact
an installer and the after-sales service.
If the power supply is correct, contact an
electrician to have the PCB replaced.
Reconnect the connecting cable
correctly.
Solution
Solution
11
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