20.1  GOT Restoration Sheet
 
20 - 1
17
ADDITION TIMES RESET 
FOR MAINTENANCE TIME 
NOTIFICATION
18
INSTALLATION OF 
COREOS, BOOTOS AND 
STANDARD MONITOR OS
19
MAINTENANCE AND 
INSPECTION
20
TROUBLESHOOTING
APPENDICESINDEX
20. TROUBLESHOOTING
This chapter explains the GOT restoration sheet, troubleshooting in the bus connection, and the error 
message/system alarm list.
20.1 GOT Restoration Sheet
This section provides restoration methods for the case the GOT does not operate normally, which are listed 
in check sheets.
The following explains how to use each sheet.
(1) When the GOT does not operate or malfunctions (GOT status check sheet)
When the GOT does not operate or malfunctions, identify the cause of the malfunction etc. with   
GOT status check sheet and take corrective action.
When the GOT is restored, see the status for a while.
(2) When the wiring status needs to be improved (GOT installation status check sheet)
When the noise caused by the GOT wiring status is considered to have caused the malfunction, 
etc. based on the check result of (1) above, take corrective action for wiring using   GOT 
installation status check sheet.
When the GOT is restored, see the status for a while.
(3) When corrective action other than (1) and (2) above is required (System configuration check sheet)
If malfunction etc. occurs even after checking with (1) and (2) above, please contact your local 
Mitsubishi (Electric System) Service after filling out   System configuration check sheet with 
details about your system.
When sending a troubled product, attach the GOT restoration sheets (  GOT status check sheet, 
 GOT installation status check sheet,   System configuration check sheet) checked in this 
section.
Please keep copies of the restoration sheets.