Error code
ABB solar inverter All models code E020
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Meaning
Failure of the test on the relay of the “Booster” (DC- DC circuit): Before connecting to the grid the inverter carries out in ternal tests. One of these tests concerns the correct ope ration of the booster relay. The test is carried out by “for cing” the switching of the relay and checking its operation. The error is generated if a problem is found in actioning the relay
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Address of this page: https://www.remfixit.com/tr/abbsolarinverter/tum-modeller/e020