中文
Step 1: Press key about 5 seconds until the energy data flickers, then release the key;
Step 2: If short press the key again, the energy data will be reset and return to the normal display state;
Step 3: If there is no operation for 5 seconds, the energy will not be reset and return to the normal display state.
How to Set power alarm threshold
Step 1: Long press the key, when the screen displays [SET CLr], release the key to enter the power alarm setting state;
Step 2: The lowest digit of the power alarm value starts to flicker. You can add 1 to this digit by short pressing the key. If there is no operation more than 3 seconds, the digit will automatically switch and cycle through the settings;
Step 3: After setting up, press the key for 5 seconds, when the screen display 【 PASS PASS 】, then it will return to the normal display state.
Note: The default power alarm value for PZEM-021-VH model is 4.5kW; The default power alarm value for PZEM-061-VH model is 22kW; The set value cannot exceed 22KW, otherwise the screen will display an error message of [Err uAL]
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