(3) When motor stalls during acceleration
Motor stalls during accel- eration
Acceleration time setting too short?
No
Moment of inertia of motor or load excessive?
No
Motor terminal voltage lowered?
No
Torque of load excessive?
Yes
Yes
Yes
Yes
No
Prolong time setting. |
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Special motor in use? | Yes | Consult with GE Fuji.. | |
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| Reduce moment of inertia | ||
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Use thicker cable for wir- |
| of load or increase drive | |
ing between drive and mo- |
| capacity. | |
tor, or shorten wiring |
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length. |
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Reduce torque of load or increase drive capacity.
Setting of torque boost amount correct?
Yes
Probable faulty drive or error because of noise, etc. Contact GE Fuji.
Increase torque boost
No
amount.
(4) When motor generates abnormal heat | (5) When function change disabled |
Motor generates ab-
Function change is disabled.
normal heat
Any of E01, E02, E03 set | YES | |
to 5? | ||
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V/f pattern fitted to mo- tor?
Yes
Motor been contin uously operated at extremely low speed?
No
Yes
Change the setting.
Use motor exclusive to drive.
| NO |
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| NO |
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F00 set | to 0? |
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| YES |
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Attempt made to | change |
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an unchangeable function | YES | |||||
during operation? |
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Set F00 to 0.
Change function after stopping drive.
No
Load excessive?
No
Is the output voltage (at terminals U,V,W) bal- anced?
No
Yes
Yes
Lighten load or increase motor capacity.
Faulty motor.
| NO |
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Function to be changed |
| YES | ||
F00 or H03? |
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Function to | be changed |
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F02? FWD or REV ter- |
| YES |
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minal connected to CM |
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terminal? |
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| NO |
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Function to be changed F05, |
| YES | ||
Press STOP key and UP or DOWN key simultaneously.
Open FWD and REV command.
Change other functions.
Probable faulty drive. Contact GE Fuji.
F06, F24, H01 or H02? |
NO |
Contact GE Fuji |
