Yaskawa MP920 Motion Module - Manual (Page 239)

6 SVB Module Specifications and Handling
6.1.2 Handling
6-4
Normal
operation One of servo numbers 1 to 16 will be displayed.
The Servo Modules is operating normally.
Major fault A two-digit error code appears following F.
Examples:
F
→ 0 → 1: Watchdog time over
F → 0 → 2: Synchronization error
F → 4 → 1: ROM diagnosis error
F → 4 → 2: RAM diagnosis error
F → 4 → 3: Shared memory diagnosis error
F → 4 → 8: General illegal instruction interrup-
tion occurrence
F → 4 → 9: Slot illegal instruction interruption
occurrence
F → 5 → 0: CPU address error interruption occur-
rence
F → 5 → 2: User brake interruption occurrence
F → 5 → 3: Trap instruction interruption occur-
rence
F → 5 → 5: CERF initializing error
F → 5 → 8: TLB error exception interruption
occurrence
F → 5 → 9: TLB error exception interruption
occurrence
F → 6 → 0: TLB disable exception interruption
occurrence
F → 6 → 1: TLB disable exception interruption
occurrence
F → 6 → 2: Initial page write in exception inter-
ruption occurrence
F → 6 → 3: TLB protective exception interruption
occurrence
F → 6 → 4: TLB protective exception interruption
occurrence
(cont’d)
Display Category Meaning
or
followed by error code