Doosan G424FE - Page 255

G424F(FE) Service Manual Chapter 9. Advanced Diagnostics 253
Table 1. Fault List Definitions (cont’d.)
FAULT DESCRIPTION
CODE
(MI04 CODE)
EST1_Open
EST1 output open, possibly open EST1 signal or defective
spark module
421
(42)
EST1_Short
EST1 output shorted high or low, EST1 signal shorted to
ground or power or defective spark module
431
EST2_Open
EST2 output open, possibly open EST2 signal or defective
spark module
422
EST2_Short
EST2 output shorted high or low, EST2 signal shorted to
ground or power or defective spark module
432
EST3_Open
EST3 output open, possibly open EST3 signal or defective
spark module
423
EST3_Short
EST3 output shorted high or low, EST3 signal shorted to
ground or power or defective spark module
433
EST4_Open
EST4 output open, possibly open EST4 signal or defective
spark module
424
EST4_Short
EST4 output shorted high or low, EST4 signal shorted to
ground or power or defective spark module
434
EST5_Open
EST5 output open, possibly open EST5 signal or defective
spark module
425
EST5_Short
EST5 output shorted high or low, EST5 signal shorted to
ground or power or defective spark module
435
EST6_Open
EST6 output open, possibly open EST6 signal or defective
spark module
426
EST6_Short
EST6 output shorted high or low, EST6 signal shorted to
ground or power or defective spark module
436
EST7_Open
EST7 output open, possibly open EST7 signal or defective
spark module
427
EST7_Short
EST7 output shorted high or low, EST7 signal shorted to
ground or power or defective spark module
437
EST8_Open
EST8 output open, possibly open EST8 signal or defective
spark module
428
EST8_Short
EST8 output shorted high or low, EST8 signal shorted to
ground or power or defective spark module
438