GE Fuji Electric AF-300ES Instructions Manual page 103

Protective
Function
CPU error Detection of a CPU malfunction.
CPU RUNAWAY Er 3 (drive), Operating conditions that need to be reviewed:
Drive
Display
Protective
Function
Option Detects a continuous communication error between
communication control PCB and option PCB.
COMMUNICATION ERROR Er 4 (option), Operating conditions that need to be reviewed:
Drive
Display
Protective
Function
Option error Detects Drive option failure.
OPTION ERROR Er 5, Operating conditions that need to be reviewed:
Drive
Display
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Function Explanation
ELEC NOISE
HARDWARE MALF
Function Explanation
ELEC NOISE
HARDWARE MALF
Function Explanation
ELEC NOISE
EXT SYSTEM
OPTION MALF
LED
Display
E r 3
LED
Display
E r 4
LED
Display
E r 5
8-7
Alarm RY
Remarks
(30A, B & C)
X
Alarm RY
Remarks
(30A, B & C)
X
Alarm RY
Remarks
(30A, B & C)
X