Description: Communication error
Communication between the engine board and the main board is failed.
Causes: Defective gate array (U02) on the main board. Connector failure between the engine board (KP- 1081) and main board (KP-1053/ 1033).
Code: F070
Description: Flash ROM error
CPU U1 of engine board could not write data failed to flash ROM U2. Write sequence to flash ROM is not successful. Verify error. (Written data does not match the original data.)
Causes: Overrun in the engine system, deactivating the program flash ROM (U2) on the engine board (KP- 1081). Defective CPU U1 or gate array U7 or flash ROM U2 on the engine board (KP-1081).