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

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

Cause:[Occurs only when operating manually]•T/B operation error.[Occurs when operating manually and automatically]•Fault

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

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

Cause:Unusual noises can be caused by friction between movable parts, deformed parts, foreign matters getting inside, an

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:Deterioration in the reducer oil seal. Too much grease was applied. A grease other than the specified grease was a

Cause:The fuse installed in the controller may have blown out. For the fuse blowout, there may be a ground fault or shor

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

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FAQ > Robots > Industrial/Collaborative Robots-MELFA > Vertical type robot

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FAQ within [ Vertical type robot ]

1-10 of Total 18

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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
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
Brake is not working properly.

Cause:[Occurs only when operating manually]•T/B operation error.[Occurs when operating manually and automatically]•Faulty connection of the cables that run b... More Details >>
- No：23178
- 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
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
An unusual noise can be heard (from the robot arm).

Cause:Unusual noises can be caused by friction between movable parts, deformed parts, foreign matters getting inside, and defects in belt tension.An unusual ... More Details >>
- No：23167
- Release Date：2018/09/07 16:09
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
Oil is leaking.

Cause:Deterioration in the reducer oil seal. Too much grease was applied. A grease other than the specified grease was applied. Excess grease left on the uni... More Details >>
- No：23174
- Release Date：2018/09/07 16:09
The T/B does not display anything.

Cause:The fuse installed in the controller may have blown out. For the fuse blowout, there may be a ground fault or short circuit in the T/B cable. The T/B m... More Details >>
- No：23180
- 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

1-10 of Total 18

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