Panasonic MW-20EB Service Manual page 21

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7.1.1.
Service Mode Table 1
Mode name
ERROR CODE LOG
To check the error codes history of
Self diagnosis.
POWER ON
To check the total power-on time
RUNNING TIME
of the unit.
MAIN SET KEY INPUT
To check the input key signal.
Input is shown on the display by
pressing either one of the keys on
the unit.
Item
Description
Up to 10 error codes are stored in
the memory chronologically.
The oldest error code is cleared in
case 10 error codes are already
stored in the memory.
All the error codes are cleared when
Cold start is activated.
In case the same errors occurred
successively, only one error code is
stored in the memory.
Error codes are sorted by date and
time in ascending order.
Error code details
Code
F76
Power supply cut
This error code is stored in memory when [F76] appears.
Timer operation, iPod charging, and auto-demo activation are not available after this
error occurred (all the functions to turn power on automatically are disabled).
This error code is cleared only by forced clear or back-up data clear executed when
AC power is turned off and on.
When a key is pressed on the Main Unit, display [*] will change to [-]
Main Unit Key Position
P
o
w
r e
O
K
M
E
N
U
R
E
T
U
R
N
D
S I
P
L
A
Y
M
O
D
E
V
O
L
+
V
O
L
-
FL display
NN No. of error code history 01-10
EEEEEE Error code In case there is no error or
errors are cleared, "------" is shown)
For the details of error codes, see the list below.
Descriptions
Key
Display Position (counting from the left)
1st Character
2nd Character
3rd Character
4th Character
5th Character
6th Character
7th Character
8th Character
9th Character
10th Character
11th Character
21
Key operation (remote control)
In Service mode, press [SELECT
PHOTOS] on remote control.
To clear the Error Code Log, press and
hold [RETURN] for 5 seconds and the
time will be reset.
In Service mode, press [
] on
remote control.
To clear the total time recorded in
memory, press and hold [RETURN] for 5
seconds and the time will be reset.
The total time recorded in memory is reset
when Cold start is executed.
In Service mode, press [MENU] on
remote control.
Key input on the unit to execute normal
functions is not available in this mode.
To exit this mode, press [Power] on
remote control or unplug the AC code.

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