Xerox WorkCentre Pro 423 - Page 65

03/02 2.3 Level 2 Troubleshooting
WorkCentre Pro 423/428 2-33 CHAPTER 2 TROUBLESHOOTING
D Code
Internal
Code
Error Description Corrective Action
D2-21 3121
Unsuccessful in G3M1&ICM
Loop Test
G3M1_ICM_LOOP_ERROR
Check/replace G3M1, G4/ICM, and
OPTION MOTHER board. Check
connections.
D2-22 3122 Unsuccessful in G3M2&ICM
Loop Test
G3M2_ICM_LOOP_ERROR
Check/replace G3M2, G4/ICM, and
OPTION MOTHER board. Check
connections.
D2-30 3123 Unsuccessful in G4M0&ICM
Loop Test
G4M0_ICM_LOOP_ERROR
Check/replace G4M0, G4/ICM, and
OPTION MOTHER board. Check
connections.
D2-31 3124 Unsuccessful in G4M1&ICM
Loop Test
G4M1_ICM_LOOP_ERROR
Check/replace G4M1, G4/ICM, and
OPTION MOTHER board. Check
connections.
D2-40 3125 Unsuccessful in G3M0&NCU
Loop Test
G3M0_NCU_LOOP_ERROR
Check/replace M/F MAIN PWB,
NCU, and OPTION MOTHER
board. Check connections.
D2-41 3126 Unsuccessful in G3M1&NCU
Loop Test
G3M1_NCU_LOOP_ERROR
Check/replace G3M1, NCU, and
OPTION MOTHER board. Check
connections.
D2-42 3127 Unsuccessful in G3M2&NCU
Loop Test
G3M2_NCU_LOOP_ERROR
Check/replace G3M2, NCU, and
OPTION MOTHER board. Check
connections.
D2-50 3129 Unsuccessful in G4M0&X21
Loop Test
G4M0_X21_LOOP_ERROR
Check/replace G4M0 and OPTION
MOTHER board. Check
connections.
D2-51 3128 Unsuccessful in G4M1&X21
Loop Test
G4M1_X21_LOOP_ERROR
Check/replace G4M1 and OPTION
MOTHER board. Check
connections.