Error Code: C-4903 Follow
Code
C-4903
Classification
Main body: Thread memory abnormality
Cause
When an image memory (main or sub) access error occurs.
Measures to take when an alert occurs
The main body and the option stop immediately.
Estimated abnormal parts
- Image processing board (IPB)
Correction
Deactivate and activate the sub power switch (SW2) of the main body.
Note
- The message "Please call service" is displayed on the panel.
Solution
- Execute the IO Check (99-70) of the board self-diagnosis. Check the results of IPB.
- When the result of IPB is NG: There is an abnormality in IPB or the connection.
- Replace IPB.
Faulty part isolation DIPSW
Control during the detachment