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RWF40 does not display properly when powered on

2017-11-01View Original

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Hello everyone. I encountered a RWF40 ratio controller on site; the control cabinet lost power, and after it was powered back on, the ratio display stopped working properly. The four red lights were flashing simultaneously, as were the burner indicator light, the reduction button indicator light, and the manual operation indicator light. None of the four buttons responded either. Please advise me – what kind of fault is this? Thank you

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