Njoy Alvis Series User Manual page 12

If the AVR is short circuited, do not use it! Please turn
to the authorized dealer or service center.
6.6 Smart Overload Protection
Once the it is overloaded, the AVR will give display warn-
ing to inform the user to reduce the connected appliances.
When load is >110%±8%:
When load is >120%±8%:
Once it's protected, the AVR will retry to restore output for
3 times, if overload is still not removed during this period,
the AVR will stop retrying to restore output, at this time a
letter "E1" or "E2" will be flashing in the display.
When letter "E1" or "E2" is flashing, even if the overload is
removed, the output won't be restored. In this case, please
conduct below steps:
(a) Put the "POWER SWITCH" to "OFF" position to
disconnect mains power.
(b) Switch off all the connected appliances, and
remove the exceeding load.
(c) Switch on AVR and then switch on the appliance.
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output will be cut off within 30s if
overload is not removed
output will be cut off within 6s if
overload is not removed