Chapter 7 Fault Diagnosis and Countermeasures
7.1 Fault Alarm and Countermeasures
C220/C420series inverter has 28 pieces of warning information and protection
function. in case of abnormal fault, the protection function will be invoked ,the
inverter will stop output, and the faulty relay contact of the inverter will start, and
the fault code will displayed on the display panel of the inverter. Before consulting
the service department, the user can perform self-check according to the prompts of
this chapter, analyze the fault cause and find out the solutions. If the fault is the
same as the following dotted frame, please consult the agents of inverter or our
company directly.
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