Maintenance Led Display And Troubleshooting - Mitsubishi Electric CAHV-R450YA-HPB Service Manual

[ XI USB Function ]

[3] Maintenance LED Display and Troubleshooting

<1> Maintenance LED Display Content List
The following table shows the maintenance LED displays for each function.
When dealing with the errors shown on the display, refer to Section "XI [3] <2> Troubleshooting".
1. Rewriting software
No. Switch
1 Rewrite Mode activated
2 Rewrite in progress
SW7-9: Software rewrite has
3
ON been completed.
4 Error (USB memory side)
5 Error (control board side)
HWE22020
Meaning Maintenance LED Display
- 179 -
Description
"PRO" Software rewrite mode is
active. Software rewrite is enabled.
See Section "XI [3] <2>
Troubleshooting" 1-(1), 1-(2) and
1-(3).
Software rewrite is in progress.
Bars are displayed in turn.
"END" Software rewrite has been
completed successfully.
"Er01" Software rewrite process
cannot be started due to failure of
the USB memory stick. See Section
"XI [3] <2> Troubleshooting" 1-(4).
"Er02" Software rewrite was
stopped due to failure of the USB
memory stick during the software
rewrite process. See Section "XI [3]
<2> Troubleshooting" 1-(5).
"Er10" Software rewrite was not
completed due to failure in deleting
the existing software. See Section
"XI [3] <2> Troubleshooting" 1-(6).
"Er11" Software rewrite has not
been completed due to failure in
writing new software. See Section
"XI [3] <2> Troubleshooting" 1-(6).
GB