[F901] Engine Speed Error (First Time); [F901_1] Engine Speed Error (Second Time Or Later) - Toshiba e-STUDIO206L Service Manual

[F901] Engine speed error (first time)

[F901_1] Engine speed error (second time or later)

Classification
Other service call
Check item
Harness
LGC board
Replacement part
Harness
LGC board
e-STUDIO206L/256/306/356/456/506 / 207L/257/307/357/457/507
ERROR CODE AND TROUBLESHOOTING
The speed information of the LGC board is damaged.
The LGC board in which is not corresponding to the
equipment model is installed.
The F901_1 error occurs when the power is turned ON if the
LGC board is not replaced in the correct procedure after the
F901 error.
Check if there is no problem in the harness for connecting to
the following connectors.
LGC board: CN311 and CN316
Check if the LGC board in which is corresponded to the
equipment model is installed.
Check if the label color of the LGC board (indicated in the
figure with the arrow) is corresponded to the equipment
model (indicated on the rating label).
e-STUDIO206L / e-STUDIO207L: White
e-STUDIO256 / e-STUDIO257: Pink
e-STUDIO306 / e-STUDIO307: Blue
e-STUDIO356 / e-STUDIO357: Yellow
e-STUDIO456 / e-STUDIO457: Green
e-STUDIO506 / e-STUDIO507: Red
• Position of the label to be checked
If they are not corresponding correctly, replace the LGC
board with the correct one by referring to the procedures
described below.
Reference: "9.3.5Procedures when replacing the LGC board"
Notes:
The F901_1 may occur especially when the equipment
is not started up with the 08 mode according to the
procedures when replacing the LGC board.
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Error item
Measures
Remark