Cause:The fuse (4A fuse) installed at the bottom of the 24 V power supply circuit in the controller may have blown out.F

Cause:Program error (arithmetic processing, etc.). Teaching operation error. Peripheral equipment is offset. There is a

Cause:A servo OFF signal(SRVOFF)is being input from an external source. The operating right is not given.(IOENA paramete

Cause: A stop signal(STOP/STOP2/SKIP) is being input from an external source. The operating right is not given.(IOENA p

Cause: AC line inside the controller may have detected the abnormalities. Measures: Check that the primary side’s p

Cause:CPU has not started up properly.There is no power supply.An instantaneous power cut exceeding the specification le

Cause:Incorrect breaker selection(current capacity/drive purpose, etc.). Leakage current due to electrically conductive

Cause:The load conditions exceed the specified values(mass, inertia).The load condition settings are not suitable(HNDDAT

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FAQ > Robots > Industrial/Collaborative Robots-MELFA > Ceiling mounted, holizontal type robot

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FAQ within [ Ceiling mounted, holizontal type robot ]

11-18 of Total 18

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The T/B does not display anything.

Cause:The fuse (4A fuse) installed at the bottom of the 24 V power supply circuit in the controller may have blown out.For the fuse blowout, the emergency st... More Details >>
- No：23184
- Release Date：2018/09/07 16:09
The position becomes offset.

Cause:Program error (arithmetic processing, etc.). Teaching operation error. Peripheral equipment is offset. There is a setting error in the origin position ... More Details >>
- No：23172
- Release Date：2018/09/07 16:09
The servo-on cannot be performed.

Cause:A servo OFF signal(SRVOFF)is being input from an external source. The operating right is not given.(IOENA parameters settings/exclusive input and outpu... More Details >>
- No：23170
- Release Date：2018/09/07 16:09
In automatic drive mode, the system does not start up or the robot stops during automatic drive.

Cause: A stop signal(STOP/STOP2/SKIP) is being input from an external source. The operating right is not given.(IOENA parameters settings/exclusive input... More Details >>
- No：23171
- Release Date：2018/09/07 16:09
- Update：2018/10/03 14:48
The operation panel does not light up. Although the T/B has got the electricity, the operation of T/B cannot be done.

Cause: AC line inside the controller may have detected the abnormalities. Measures: Check that the primary side’s power supply voltage is being su... More Details >>
- No：23182
- Release Date：2018/09/07 16:09
- Update：2018/10/03 14:52
Operation panel does not display anything.

Cause:CPU has not started up properly.There is no power supply.An instantaneous power cut exceeding the specification level may have occurred.Measures:Check ... More Details >>
- No：23181
- Release Date：2018/09/07 16:09
The leakage current breaker trips.

Cause:Incorrect breaker selection(current capacity/drive purpose, etc.). Leakage current due to electrically conductive foreign matters(oil/moisture) getting... More Details >>
- No：23173
- Release Date：2018/09/07 16:09
The tip of the robot is vibrating.

Cause:The load conditions exceed the specified values(mass, inertia).The load condition settings are not suitable(HNDDAT and WRKDAT settings are not consiste... More Details >>
- No：23169
- Release Date：2018/09/07 16:09

11-18 of Total 18

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