"Check wiring." (Unhelpful)
Correct wiring is essential to prevent damage or incorrect readings. The PZEM-051 requires the to be placed on the negative line between the load and the power source. peacefair pzem051 manual patched
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"Check wiring." (Unhelpful)
Correct wiring is essential to prevent damage or incorrect readings. The PZEM-051 requires the to be placed on the negative line between the load and the power source.