DIP SW, LED, VR, TP, AND FUSE TABLES
SM 4-23 C262/C265
Trouble-
shooting
4.5.4 LED'S
MPU
Number Function
LED1
Monitors the RAM and SARM operation on the CPU. This LED is lit if there is a
problem.
LED2 Monitors the CPU operation. Usually, this LED is blinking.
I/O Board
Number Function
LED1 Monitors the CPU operation. Usually, this LED is blinking.
ACU
Number Function
LED1 Monitors the CPU operation. Usually, this LED is blinking.
Operation Panel
Number Function
LED101 This LED is blinking in normal operation
During firmware download: quick blink
After firmware download: slow blink
LED102 During firmware download: quick blink
After firmware download: slow blink
NOTE: The Green LED of the start button on the operation panel displays the
status of firmware downloading in normal; therefore, it is not necessary to
open the operation panel.
4.5.5 FUSES
Power Supply Unit
Fuse Rated Current Protect
F700 10A Power Supply Unit
F701/
F702
6.3A x 2 I/O Board
F703/
F704
6.3A x 2 Main Motor Drive Board
F705 2A Not used
NOTE: F701 and F702, F703 and F704 are connected in parallel to protect the
board. If one fuse is broken, the machine works if the other fuse does not
break. But replace the broken fuse as soon as possible.
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