Panasonic SA-HT800VP, Service Manual

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10.1.4. Self-Diagnosis History Memory Function
<Memory Setting of Self-Diagnosis History>
1. Memorizes the self-diagnosis result and the additional data at the
moment when an error is detected.
2. History is numbered up to three. The latest error always appears
first, shifting the old ones as two and three.
3. Other data that cannot be fit within three histories are discarded.
4. The same error is not memorized.
<Resetting Self-Diagnosis History>
Press and hold down the FF and EJECT keys at the same time at least 5 seconds to reset the
data. (Be sure to apply this operation after repair.)
<Display of Self-Diagnosis History>
The self-diagnosis history and additional data will be displayed on the FIP, using numbers 3 to 5
of the service mode.
FIP display example:
By selecting 3, 4 or 5 of the service mode, error code and additional data of history 1, history 2,
and history 3 are displayed respectively.
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