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Uu Error Message On Toyodenki Vf61v Inverter


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Dear Sirs,


Pls, help !


When I swich on the machine ( this not mean the inverter) relays in inverter start clicking. In this state I push MON button and DC out varies, all other parameters are zero.

After this I activate the invertor with REM driving circuit and inverter displas uU error.

I check power terminals and voltage...no problem...

After this I pushed RST , display showed "0" and when I tried again the same situation.


Does anybody have an idea whats happend?


Thanks in advance.


P.S. If anyone have detail electric circuit diagram of inverter I will be appreciate.

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