Description: System DIMM checksum error • Checksum for the system DIMM PWB that holds the system program is wrong.
Causes: Defective system DIMM PWB. Defective main controller PWB.
Remedy: Replace the system DIMM PWB. Replace the main controller PWB.
Code: F020
Description: Memory check error • Access to the expanding memory (DIMM) or RAM on the main controller PWB is unobtainable.
Causes: Defective main controller PWB. Defective expansion memory (DIMM).n t
Remedy: Replace the main controller PWB. 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.
Remedy: Replace the main controller PWB.
Code: F040
Description: Main - Engine controller PWBs communication error • The communication breakdown occurred between main controller PWB and engine controller PWB during 30 seconds.
Causes: Defective engine controller PWB. Defective main controller PWB.
Remedy: Replace the engine controller PWB.
Code: F080
Description: Flash ROM checksum error • Check result is not correct about flash ROM checksum of engine controller PWB.