121121
EN
Warnings
Installation
Use
Malfunction
observed
Possible cause
Diagnostics and
troubleshooting
No display • No power supply
• there is a control panel fault,
the water is heated by the
electric backup in degraded
mode up to 50 °C
• Check the electrical panel
• Check the connections
between the power board
and the control panel
Other functions: Contact the customer service
After any servicing or troubleshooting, check the operation of the water heater.
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