Description: System DIMM checksum error • Checksum for the system DIMM PWB (KP-689) that holds the system program is wrong. ST-30
Causes: Defective system DIMM PWB (KP- 689). Defective main controller PWB (KP-800).
Remedy: Defective system DIMM PWB (KP- 689). Replace the system DIMM PWB (KP-689). Defective main controller PWB (KP-800). Replace the main controller PWB (KP-800).
Code: F020
Description: Memory check error • Access to the expanding memory (DIMM) or RAM on the main controller PWB (KP-800) is unobtainable.o
Causes: Defective main controller PWB (KP-800). Defective expansion memory (DIMM).
Remedy: Defective main controller PWB (KP-800). Replace the main controller PWB (KP-800). Defective expansion memory (DIMM). Replace the expansion memory (DIMM).
Code: F030
Description: Main controller PWB system error • The error concerned with the system occurred except self diagnostic codes F0 (F010) conditions.
Causes: Defective main controller PWB (KP-800).
Remedy: Replace the main controller PWB (KP-800).
Code: F040
Description: Main - Engine controller PWBs communication error • The communication breakdown occurred between main controller PWB (KP-800) and engine controller PWB (KP-801) during 30 seconds.