Okura Yusoki A Series, Maintenance Manual

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UL(11)
3-1
3.Troubleshooting
Follow the next procedure for troubleshooting.
Check if there is an error message on display screen.
If there is an error message on display screen, refer to cause and remedy of each error
message on screen. For detail information, see “Operation manual, 4-1 error message”.
In case no error message appears
No error message is issued for low urgent problem (Like burning out of an indicator
lamp bulb) of mal-adjustment due to poor stacking form.
For problems of this type, correctly determine the occurrence situation (when) and
occurring phenomenon (what), and then select the pertinent item from the table below,
and take measures.
(See 3.2 Cases where there is no error message)