Yaskawa MP920 Motion Module - Manual (Page 306)

7 PO-01 Module Specification and Handling
7.1.2 Handling
7-4
Normal
operation One of servo numbers 1 to 16 will be displayed. The PO-
01 Module is operating normally.
Serious 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 → 4: CPU built-in timer error
F → 4 → 5: JL-035 diagnosis error
F → 4 → 8: General-Illegal instruction interruption
occurrence
F → 4 → 9: Slot-Illegal instruction interruption occur-
rence
F → 5 → 0: CPU address error interruption occurrence
F → 5 → 1: DMA address error interruption occurrence
F → 5 → 2: User break interruption occurrence
F → 5 → 3: Trap instruction interruption occurrence
F → 5 → 4: Upd71054 diagnosis error
(cont’d)
Display Category Meaning
or
followed by error code