SFU Troubleshooting Error Description Cause Fixing
Contents
1. signal amplitude is too low gt sensor wires in spindle cable are not shielded gt Exchange spindle cable gt for verification test exchange spindle Error Without Spindle Cable is displayed Spindle cable is defective gt Check the 3 spindle phase wires Spindle cable too long With activated spindle test a test current is send via spindle cable to the spindle by applying a voltage at output lines In case that this current is too low or a wrong spindle characteristic selected it does not match to the reference values and the spindle test fails gt Check if the proper characteristic is selected gt Increase value for start voltage in the spindle characteristic gt contact BMR gt Deactivate function Spindle test O Beschreibungen 5 SFU Terminal Hilfe SFU TroubleshootTab_e doc 11 04 132. BMR SFU Troubleshooting Error Description Cause Fixing After power on the converter indicates Not Ready and Error Input Emergency Stop is not properly or not wired at all 24V Signal at this input The converter is at excess temperature gt Let the converter cool down gt Check if the fan is working properly or maintain that air flow around the heatsink is sufficient gt Slow down the tooling process Pulse inhibitor circuit is engaged at devices with such a circuit SFU0303 gt For disengaging wire 24V to the appropriate Pin gt Wire a bridge between X2 1 X2 10 SFU0303 A spindle diagram which is not valid is selected Change spindle characteristic with the help of the front panel keys or with SFU Terminal Short circuit detection of the out put has tripped gt Check if the spindle is blocked gt Check if there is a short circuit within the spindle gt Check if there is a Ground fault at least one prong of the spindle cable is connected with PE gt Check if there is a short circuit within the spindle cable O Beschreibungen 5 SFU Terminal Hilfe SFU TroubleshootTab_e doc 11 04 13 BMR SFU Troubleshooting Error Description Cause Fixing After power on the converter indicates Not Ready No spindle connected Connect spindle and Error and the supervision auswertung of the temperature sensor is activated in the spindle characteri
3. ng Error Description Cause Fixing The error message Spindle not ready is indicated Spindle is at excess temperature Let it cool down gt Check if the characteristic matches with the spindle PTC in the spindle is defective change spindle The PTC wires within the spindle cable are defective exchange cable or fix the connection Start via Digital Input is not possible Start via Analogue input is activated Deactivate Start via analogue input gt Manual Analogue Inputs and activate Digital Start Set value for duty speed is too low Increase Analogue value for duty value gt A spindle start is carried out after reaching the required minimum voltage according to the scaling only It is displayed Error Char xx or E xx The selected spindle characteristic at memory place xx is wrong invalid or corrupted gt Select matching characteristic with the help of the buttons at the front panel or with SFU Terminal gt Contact BMR O Beschreibungen 5 SFU Terminal Hilfe SFU TroubleshootTab_e doc 11 04 13 BMR SFU Troubleshooting Error Description Cause Fixing With activated speed sensor The spindle runs properly but sometimes there appears the message Encoder Error Loose connection in spindle spindle cable or at the connectors gt Check spindle cable and exchange potentially gt Check connectors Disturbances on the signal or the
4. r Start An input is assigned with the function Emergency Stop and configured as Low Active gt This is default state on delivery gt For unlocking a signal of HI 24V is required at this input gt Deactivate this function or setup as High Active The evaluation of the temperature sensor is activated in the spindle characteristic but it is not connected or a sensor isn t implemented within the spindle gt in this case Error is indicated additionally gt Connect the temp sensor wires with the SFU gt un check the button Temp Sensor in the spindle characteristic in SFU Terminal The spindle test is engaged and the spindle cable or the spindle itself is defective gt Check cable and connections for proper wiring or short circuit gt Check spindle Spindle cable and spindle are OK and the spindle test is activated gt Spindle cable is too long With activated spindle test a test current is send via spindle cable to the spindle by applying a voltage at output lines In case that this current is too low or a wrong spindle characteristic selected it does not match to the reference values and the spindle test fails gt Select correct spindle characteristic gt In the spindle characteristic the value of the start voltage has to be increased gt contact BMR O Beschreibungen 5 SFU Terminal Hilfe SFU TroubleshootTab_e doc 11 04 13 4 6 BMR SFU Troubleshooti
5. stic No temperature sensor present within the spindle Disable in spindle characteristic menu in SFU Terminal the Temperature Sensor button Temperature sensor of the spindle defective gt Change spindle gt Disable in spindle characteristic menu in SFU Terminal the Temperature Sensor button O Beschreibungen 5 SFU Terminal Hilfe SFU TroubleshootTab_e doc 11 04 13 2 6 BMR SFU Troubleshooting Error Description Cause Fixing In case of connecting the converter with a PC or after launching the SW SFU Terminal the Converter is detected and recognized Incorrect connection cable or wiring fault gt Check cable for proper Pinout gt Verify at USB cables that it s length is not longer than 2m gt Try to use original BMR cables only In case of using RS232 gt Use the USB Interface at the PC together with a USB RS232 converter gt For use with SFU 0303 a specific RS232 cable is required In case of using a USB RS232 converter the USB driver is not installed correctly install driver unsure Restart SFU Terminal Start with push buttons not possible Start button deactivated Enable Start button by un checking the checkbox Block Start Button O Beschreibungen 5 SFU Terminal Hilfe SFU TroubleshootTab_e doc 11 04 13 BMR SFU Troubleshooting Error Description Cause Fixing Spindle does not start in spite of a valid signal fo
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