| 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
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
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