Contents
Trouble type | CC163: ROM contents error (PRT) |
Rank | C |
Trouble detection condition | The wrong model of firmware is detected in the engine during the initial connection to the engine is being checked. |
Trouble isolation | – |
Relevant electrical parts | Backup board (ERB)CPU board (CPUB)Base board (BASEB) |
Procedure
- Rewrite the firmware.
- Replace CPUB.
- NOTE
- When taking the above steps, check whether CPUB is defective or not without replacing the ERB.
- 1. Turn OFF the main power switch and replace the current CPUB with a new one.
- 2. Update the firmware.
- 3. After completing the firmware update, turn OFF and ON the main power switch and check to see that warm-up is started.
- 4. When the trouble cannot be solved, reinstall the removed CPUB to the original board.
- Replace BASEB.
- If the above actions do not solve the problem, contact KM.
(Link to the Field Service Manual)