FEC AFC1500 User Manual
Page 161

AFC1500 Operations Manual
Chapter 9: Troubleshooting (Rev. 6: 10/09)
Page 9-7
9.5
System Memory Errors
9.5.1 Code 4-0
SYSTEM MEMORY ERROR / FLASH ROM WRITE ERROR
Communications error to internal SAN Flash ROM during WRITE attempt.
This abnormal is caused from;
1. Metal chips and/or debris has migrated inside SAN Unit through vent holes.
2. Flash ROM IC chip has malfunctioned
RECOVERY:
1. Remove SAN Unit and blow or shake out debris.
2. Replace and return unit to FEC for repair.
9.5.2 Code 4-1
SYSTEM MEMORY ERROR / FLASH ROM READ ERROR
Communications error to internal SAN Flash ROM during READ attempt.
This abnormal is caused from;
1. Metal chips and/or debris has migrated inside SAN Unit through vent holes.
2. Flash ROM IC chip has malfunctioned
RECOVERY:
1. Remove SAN Unit and blow or shake out debris.
2. Replace and return unit to FEC for repair.
9.5.3 Code 4-2
SYSTEM MEMORY ERROR / SERVO AMP FLASH ROM ERROR
Communications error to internal SAN Servo Amp flash ROM.
This abnormal is caused from;
1. Metal chips and/or debris has migrated inside SAN Unit through vent holes.
2. Flash ROM IC chip has malfunctioned
RECOVERY:
1. Remove SAN Unit and blow or shake out debris.
2. Replace and return unit to FEC for repair.