Vacon OPT-A2 User Manual
Also see for OPTA1: User manual
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Fault codes vacon • 2124-hour support +358 (0)40 8371 150 • Email: vacon@vacon.com6. FAULT CODESThe fault codes, their causes and correcting actions are presented in the table below. The shadowedfaults are A faults only. The items written in white on black background present faults for which youcan program different responses in the application. See parameter group Protections.Note: When contacting distributor or factory because of a fault condition, always write down all textsand codes on the keypad display.FaultcodeFault Possible cause Correcting measures1 Overcurrent BCU has detected too high current(>4*IH ) in the resistor cables:- Check cables.- Check resistors2 Overvoltage The DC-link voltage has exceeded thelimit:911V for 500V BCU1200V for 690V BCU7 Saturation trip Various causes:− defective component− brake resistor short-circuit oroverload- Cannot be reset from the keypad.- Switch off power.- DO NOT RE-CONNECT POWER!- Contact your local distributor.8 System fault - component failure- faulty operationNote exceptional fault data recordSubcode in T.14:S1 = ReservedS2 = ReservedS3 = ReservedS4 = ReservedS5 = ReservedS6 = ReservedS7 = Charging switchS8 = No power to driver cardS9 = Power unit communication (TX)S10 = Power unit communication (Trip)S11 = Power unit comm. (Measurement)Reset the fault and restart.Should the fault re-occur, contact yourlocal distributor. Please visit:http://www.vacon.com/wwcontacts.html9 Undervoltage DC-link voltage is under the BCU faultvoltage limit:333VDC for 500V BCU460VDC for 690V BCU− most probable cause: too lowsupply voltage in the system− BCU internal fault- In case of temporary supply voltagebreak, reset the fault and restart thefrequency converter.- Check the supply voltage.- If it is adequate, an internal failure hasoccurred.- Contact your local distributor.Please visit:http://www.vacon.com/wwcontacts.html13 BCU under-temperatureHeatsink temperature is under –10°C14 BCU over-temperatureHeatsink temperature is over 90°COvertemperature warning is issuedwhen the heatsink temperature exceeds85°C.- Check the correct amount and flow ofcooling air.- Check the heatsink for dust.- Check the ambient temperature. |
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