| Brand | SULAB |
| Description | Elevator Inverter |
| Part No. |
OVFR03B-403(LRU)KEA21305ACB5 |
| MOQ | 1PC |
| Transportion | TNT, UPS, DHL, Fedex, Air, Sea |
| Applicable | Elevator |
| Packages | Carton, Wooden case, Pallet etc |
| Delivery Time | Normally 2-3 working days after payment |
| Warranty | One year |
| Payment Method | Company Bank, Western union, alibaba, Paypal, Personal bank etc |
Pictures for Otis Elevator Drive Inverter OVFR03B-403(LRU) KCA KDA KEA21305ACB5
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OVF30 Inverter Fault Code Explanation
D(Q) Current FDBK
An error occurred when the drive started to build up the field current
(1) Check the speed parameters of the inverter; (2) Check whether there is any bad contact or disconnection between the output of the inverter and the motor, including the UDX contact; (3) Replace the XU2, UD3 and LEM boards; (4) , replace the frequency converter
Current FDBK sum DSP
The software detects that the vector sum of the three-phase output current is not 0, and exceeds the parameter INV IO LIMIT
(1), check INV IO LIMIT; (2), check the three-phase output U, V, W insulation; (3), check the connection between VA/VB and XU2 board; (4), replace the XU2 board or LEM board; (5), replace the inverter