Mitsubishi Electronics QD64D2 ユーザーズマニュアル

8

CHAPTER8 TROUBLESHOOTING

This chapter describes the troubleshooting, error code and warning code of the QD64D2. 
Before performing a troubleshooting for the QD64D2, check that the CPU module does 
not have any errors. 
For error details of the CPU module, refer to the following manual. 

QCPU User's Manual(Hardware Design, Maintenance and Inspection)

8.1

Error Processing and Recovery Methods

8.1.1

Checking error description using System Monitor of GX Developer

Error codes can be checked by selecting [Module's Detailed Information...] on the [System 
Monitor] screen of GX Developer.

Select [Diagnostics]   [System Monitor]   [QD64D2]   

Error code that is stored in the error code (Un\G18) is displayed in the [Present Error] 
field.(Either one of channels 1 and 2)

(By clicking the 

 button, error code of the present error on each channel 

is displayed in order of channel 1 to 2. Note that this is not a history.)

[Display format]

The error codes in Section 8.11.1 "Error code 
list" are shown in decimal notation. 
Select [DEC] because the initial value is set to  
[HEX].

[Display contents]

Error code of the channel

Channel number that has an error

[2500] indicates that the error code 500 is occurring on CH2.

[Present Error]

Indicates error code 500 "ring counter upper/lower  
limit value setting error".