Originally Posted by
davidrvalencia
1) Please remove all the input out put cards (QX531) and then power on the machine to check if LED 1 is still red or not.
>I do not have a 531 card
From left to right I have a QX084, QX141-1, QX521, QX533 >> Please remove QX533 and check
2) Need to remove QX521 / QX524 to check if LED 1 changes or not. In case the QX521 has an additional memory PCB QX423/QX424 mounted on it, then please do not carry out this step.
>QX521 removal does not turn off watchdog led on the QX721. >> LED 1 of QX141 or QX721, which is on ?
The new QX141 does not come with QX423 and QX721 normally. This has to be removed from old QX141 and replace it into new. The LED 1 red, can also be caused due to malfunctioning of QX423 or QX721 as well.
>Good point. I also am hesitant to send the QX141 in as it will loose parameters.
What are the LED status on all the drives?
>See attached picture. Drives read 6 (or b), AA and AA.
Do you have the complete machine backup ?
>I believe so. When the machine started failing I backed up parameters. Attached with pictures. I have never backed up mitsubishi parameters before so idk if they are correct. >> parameters, fixed cycles, ladder.. These are important. WIth Mitsubishi, the service team has an offline tool, which will help to take the complete backup, and copy it into memory cassette.
I have also gotten two errors recently that I never got before, once after I tried to "machine ready" once during boot I believe. One was Illegal Instruction one was address error.