Mitsubishi Electric PUHY-P250YNW-A Service Handbook page 293

[9-4 Maintenance LED Display and Troubleshooting ]
3. Rewriting software
No. Switch
10 Rewrite Mode activated
11 Rewrite in progress
SW7-9: Software rewrite has
12
ON been completed.
13 Error (USB memory side)
14 Error (control board side)
12
- chapter 9
Meaning Maintenance LED Display Description
"PRO" Software rewrite mode is ac-
tive. Software rewrite is enabled.
See Section [9-4-2 Troubleshoot-
ing]3-(1), 3-(2) and 3- (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
[9-4-2 Troubleshooting]3- (4).
"Er02" Software rewrite was
stopped due to failure of the USB
memory stick during the software
rewrite process. See Section [9-4-2
Troubleshooting]3- (5).
"Er10" Software rewrite was not
completed due to failure in deleting
the existing software. See Section
[9-4-2 Troubleshooting]3- (6).
"Er11" Software rewrite has not
been completed due to failure in
writing new software. See Section
[9-4-2 Troubleshooting]3- (6).
BS_09_A1