FEC DSP1500 (SAN3) - Manual (Page 142)

enFORCE DSP1500 SAN Unit Operation Manual
(Rev. 4) PAGE 8－8
Chapter 8: Troubleshooting
8.5 System Memory Errors [ A4_* ]
• Code A4_0 - SYSTEM MEMORY ERROR / FLASH ROM WRITE ERROR
Communications error to internal SAN Flash ROM during WRITE attempt.
CAUSE:
1. Metal chips and/or debris have 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.
• Code A4_1 - SYSTEM MEMORY ERROR / FLASH ROM READ ERROR
Communications error to internal SAN Flash ROM during READ attempt.
CAUSE:
1. Metal chips and/or debris have 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.
• Code A4_2 - SYSTEM MEMORY ERROR / SERVO AMP FLASH ROM ERROR
Communications error to internal SAN Servo Amp flash ROM.
CAUSE:
1. Metal chips and/or debris have 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.