Error Code: C-4740 Follow

Code

C-4740

Classification

Main body: VbyOne initialization abnormality (Between YM-CK)

Cause

A VbyOne training error is detected.

Measures to take when an alert occurs

The main body and the option stop immediately.

Estimated abnormal parts

• Image processing board (IPB)

Correction

Note

• The message "Please call service" is displayed on the panel.

Solution

1. Execute the IO Check (99-70) of the board self-diagnosis. Check the results of IPB.
   • When the result is NG: There is an abnormality in IPB or the connection.
2. Replace IPB.

Faulty part isolation DIPSW

Control during the detachment