Vitrifrigo ND35H2O Manuel D'installation page 24

number of flashes depends on what kind of operational error was recorded. Each flash will
last ¼ second. After the actual number of flashes there will be a delay with no flashes, so
that the sequence for each error recording is repeated every 4 seconds.
No. Error type
flashes
EN
5 Electronic unit thermal stop. If the cooling system has been overloaded or the ambient
temperature is too high, the control unit will overheat.
4 Insufficient motor speed. If the cooling system is overloaded, the motor is no longer able to
maintain a minimum speed of 1,850 rpm
3 Motor start error. The motor is blocked or the differential pressure of the cooling system is too
high (> 5bar).
2 Fan stop due to overcurrent. The fan is drawing more than 1 A from the electronic control
unit
1 Battery protection stop. The power voltage is outside the set disconnect value.
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