Error Code: C-4902 Follow

Code

C-4902

Classification

Main body: Thread DMA abnormality

Cause

When a timeout occurs in image data transfer.

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

1. Prior check
   • When an abnormal code occurs, be sure to deactivate and activate the main power of both the main body and the controller.
   • Reconnect or replace the cable between the controller and the UK-301.
   • Reconnect or replace the communication cable that is connected to the image processing board (IPB) and the controller.
   • The firmware for the image control system, the controller, and the network control is the latest.
   • When you connect an external controller, be sure that the latest firmware and patch are applied. In addition, DIPSW 114-3 must be "1".
2. 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.
3. Replace IPB.

Faulty part isolation DIPSW

Control during the detachment