Question about Inverter Mitsubishi Fr-s520e-0.4k Freqrol S500 Ac Drive

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S500 0.2kw when powering up after having a earth

S500 0.2kw when powering up after having a earth fault on motor output side the inverter reads gf (ground fault) can the inverter be reset ,or does it need to sent for repair.if it can be reset what is the procedure

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Posted on Jan 02, 2017

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SOURCE: how to get a siemens micromaster 440 up and running

Hello Stephen The first thing you have to do is make sure that the motor is connected for 220 volt three phase How do you know? your motor must have this connection info on the name plate It must show 220v Delta connection and 380 or 400 v star connection. connect your motor in Delta ie the motor connection links are connected from U 1 to V2, U1 to W2 and V1 to U2. Ok Now for the restof it You have asmall book that came with the inverter so go to page 9 and you will see the drawing for mm440 at the bottom you will see the connection for the speed pot. which is 1,2,3,4, wire in as shown make sure the wiping connection is in 3..now wire in a switch across 9 which is the common and 5 this starts and runs the inverter when you open the switch the inverter will ramp down and stop.... IF YOU look at page 8 it shows how delta and star is connected at the motor..... now go to page12 for this you must have the power on to the inverter.. as you enter the parameters they come up in sequence as you enter the info...on par 700 put in 2 also at 1000 put in 2 set p1080 at 0.0...p 1082 at 50 P3900 at1 This should get you up and going
Sean Reihill

Posted on Mar 05, 2009

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When i turn on the drive it display it display code for ground fault. my wiring are correct. And i cannot use keypad of drive. how can i resolve the fault .


why cant you use the keypad/'display of drive, is it not lit up ? if so you most likely have a grounded phase on the load side (motor) I suggest disconnecting motor completely and measuring to ground with a high voltage tester (megger) if you have a phase to ground then all the power that drive puts on that wire will shunt to ground , causing infinite current , this will affect the power supply of drive and not allow drive to even power up correctly
also you failed to mention if motor was 3 phase if so , some drives require installer to remove shunt jumpers (see install directions) this will "Lift" the surge suppresors off earth ground and over to "virtual" ground that occurs at center of three phase power , this might be seen as a ground fault if this is not done correctly

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If you are using a 120 VAC set on 220VAC mains, you need to use a step down transformer with a turns ration of 2:1. of sufficient Volt Amp rating to at least match your tv's Wattage rating.

If the tv set has the power supply on the cord, you can replace the cord for one with the same output power. Such a supply if it has a higher output current than the TV set needs that will not be a problem as long as it is within about 30%. Just make sure the plug size to the set matches and has the same polarity markings as the original. If polarity is opposite just cut the cord and swap the conductors so that it is correct.

If you are running off of a battery supply, make sure the inverter is at least twice the rating of the TV set. And put an inductor in series with the "hot" side of the inverter. If you check with a meter to verify that one side is common with the earth ground/earth bond it will be the other conductot that is the "hot" side. If you use a true sine wave output inverter, the inductor is not needed. If you are using a modified sine wave inverter, use the inductor- it will smooth out the wave form somewhat to allow the TV to operate and the inverter to survive. If you can find a scrap microwave oven, take the big transformer out of it, and use just the heavy windings as your inductor, it will handle the load of the TV set. Insulate the leads to the other small wire windings and make sure they do not short out.

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Hi
I'm assuming you replaced the screen because it was broken? If so then the new screen (backlit included) is bad and/or you missed a connection. Now, did you replace the screen because you had no backlit? If so this falls into a whole different category. I've repaired a lot of these monitors and it seems that for the most part the power supply capacitors and the inverter driver cause more problems than any other part. Did you test the inverter before replacing the screen? These easiest way to determine if the inverter is putting out power is to hold the DVM leads above the inverter output while its set to AC. You should get a significant reading (there is no correct indication because this is actually inaccurate. Testing the output directly would bog down the inverter to the point of giving a useless reading. If this reading is high then the inverter is working and the lamp is the problem. If there is no reading at all here then the power supply is at fault. Good luck

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Check that ground is correctly connected. If nuetral is provided, ensure it too is connected. Your total load is 780 watts. Check power in and ground out of the supply side. There may be a fuse in the inverter on the output side also, replace if necessary. If fault light does not go out after these checks, you will need to contact Black and Decker who manufactures the vector series now.

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How to get a siemens micromaster 440 up and running


Hello Stephen The first thing you have to do is make sure that the motor is connected for 220 volt three phase How do you know? your motor must have this connection info on the name plate It must show 220v Delta connection and 380 or 400 v star connection. connect your motor in Delta ie the motor connection links are connected from U 1 to V2, U1 to W2 and V1 to U2. Ok Now for the restof it You have asmall book that came with the inverter so go to page 9 and you will see the drawing for mm440 at the bottom you will see the connection for the speed pot. which is 1,2,3,4, wire in as shown make sure the wiping connection is in 3..now wire in a switch across 9 which is the common and 5 this starts and runs the inverter when you open the switch the inverter will ramp down and stop.... IF YOU look at page 8 it shows how delta and star is connected at the motor..... now go to page12 for this you must have the power on to the inverter.. as you enter the parameters they come up in sequence as you enter the info...on par 700 put in 2 also at 1000 put in 2 set p1080 at 0.0...p 1082 at 50 P3900 at1 This should get you up and going
Sean Reihill

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