NSD Absocoder NCV-220HFEM2R Specifications & Instruction Manual page 47

9-2. Trouble Shooting
The error status can be checked by the LED status of the monitor LED on the panel. In addition, the error status can
also be checked by reading the status of the input data from the programmable controller. The system RAS can be
displayed at the failure diagnosis if the programmable controller is connected to the computer which has been installed
the programming support tool manufactured by the Fuji Electric Co., Ltd.. The error can be checked by the system
RAS.
Take the proper measures after checking the error status. For the proper measures of the error, refer to "9-2-2.
Measures for each error".
9-2-1. Check the error status
● E-SX bus error
E-SX bus status can be checked by the monitor LED status on the panel.
Error status
Initializing E-SX bus
E-SX bus fatal fault ①
E-SX bus fatal fault ②
E-SX bus nonfatal fault ①
E-SX bus nonfatal fault ②
*1: If "ONL" of the monitor LED doesn't change from "blinking" to "ON" (after several seconds), the error status will be
"E-SX bus fatal fault ②".
● Converter error
The converter operation status can be checked by the monitor LED on the panel or programmable controller
when the E-SX bus operates normally.
Error status
Normal operation
Axis-1 sensor
disconnected error
Axis-2 sensor
disconnected error
Memory error
Internal power supply
error
Watchdog timer error
Power supply error
(Low power supply)
Power supply error
(Power supply OFF)
Failure diagnosis
Converter status
Normally running
Fatal fault
Fatal fault
Nonfatal fault
Nonfatal fault
Status Failure diagnosis
System
Bit Data
RAS
0x80
－ －
1: Error
S2 0xDE
0: Normal
1: Error
S3 0xDE
0: Normal
1: Error
S4 0x5C
0: Normal
1: Error
S5 0x50
0: Normal
0x5F
－ －
－ － 0xD0
0xD0
－ －
PWR ONL
ON Blinks
ON ON
Blinks
ON
*1
ON OFF
ON ON
Converter
PWR ONL
status
Normally
ON ON
running
Nonfatal
ON ON
fault
Nonfatal
ON ON
fault
Fatal fault ON OFF
Fatal fault ON OFF
Fatal fault ON OFF
Nonfatal
ON ON
fault
Nonfatal
OFF OFF
fault
42
Monitor LED
ERR ER1 ER2
OFF OFF OFF
OFF
OFF
Indetermination
OFF
ON
Monitor LED
ERR ER1 ER2
OFF OFF OFF
ON ON OFF
ON OFF ON
Blinks Blinks
ON
twice twice
ON ON ON
ON OFF OFF
Blinks Blinks
ON
once once
OFF OFF OFF
0 to 23
OFF
0 to 23
Position
Data
OFF
OFF
OFF
OFF
OFF
OFF
OFF