(4)GOT restoration procedure
Follow the procedures below starting from (a) and in order to check if the GOT is restored. If the GOT is not restored, proceed to the next item.
Check item | Cause | Action |
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(a)Press the GOT reset switch.
Restored
Not restored (Proceed to (b).)
(b)Power the GOT ON/OFF.*1
Restored
Not restored (Proceed to (c).)
(c) Reset or power ON/OFF the PLC | The GOT may have malfunctioned | Take the action of | |
CPU. | temporarily due to noise. | ||
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Restored |
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Not restored (Proceed to (d).) |
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(d)Power the GOT and PLC CPU ON/ OFF simultaneously.
Restored
Not restored (Proceed to (e).)
(e) Connect the cable again. |
| Securely connect the cable. | |
Restored | The cable connection may be faulty. | If an error occurs again, proceed to (5) | |
Not restored (Proceed to (f).) |
| Troubled product investigation. | |
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(f) Reinstall the project data. |
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Restored | Data may have been destroyed by an | Do not power the GOT OFF while | |
Not restored (Proceed to (g).) | action such as powering the GOT OFF | transferring data. | |
| during the installation of project data or | If an error occurs again, proceed to (5) | |
(g) Reinstall the OS. | |||
Restored | OS. | Troubled product investigation. | |
Not restored (Proceed to (h).) |
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(h) Take the action described in the |
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"Action" column. | The GOT may have malfunctioned | Take the action with referring to GOT | |
Restored | temporarily due to noise. | installation status check sheet. | |
Not restored (Proceed to (i).) |
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(i) The GOT is not restored even by | - | Proceed to (5) Troubled product | |
performing (a) to (h). | investigation. | ||
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*1 When powering the GOT ON again (OFF 
ON), power OFF the PLC before that.
(5)Troubled product investigation
When malfunction of the GOT is not improved, please contact your local Mitsubishi (Electric System) Service. Depending on the problem details, we may ask you to return the troubled product to us.
In that case, please attach the GOT status check sheet, GOT installation status check sheet, and the system configuration check sheet filled out with details of your system.
18 - 4 | 18. TROUBLESHOOTING |
| 18.1 GOT Restoration Sheet |