Troubleshooting - Thermor ONIX CONNECT Instrucciones De Instalacion Y De Uso

EN
Your water heater: Troubleshooting

6. Troubleshooting

6.1 Flashing shower indicators
indicator status
One shower fl ashing twice in succession,
3 sec. pause, 2 successive fl ashes...
or
Two showers fl ashing twice in succession,
3 sec. pause, 2 successive fl ashes...
One shower fl ashing four times in succession,
3 sec. pause, 4 successive fl ashes...
or
6.2 No indicator on*
Possible cause
Water heater
power supply faulty
Safety
thermostat
deactivated
Water heater operational
fault
* Unless HMI switched off deliberately
Error 3:
Fault with the regulation
sensor
Error 3:
Fault with the regulation
sensor (differentiation)
Error 9:
PCB fault
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.
Replace the PCB.
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.
Comment/remedy
Solution
9