Yaskawa YASNAC PC NC Connecting Manual - Manual (Page 148)

YASNAC PCNC Connecting Manual Chapter 11: Replacement Of Battery
11 - 4
11.2 Fuse Replacement
Fuse F1 :
If the Servo ON/Shutdown buttons (refer to Chapter 5) and the direct signals (refer to Chapter
10) are not correctly connected, the Fuse F1 (0.3 A) could burn out.
When the Fuse F1 blows, the following abnormalities may occur.
1. “3002 Emergency stop” alarm will be displayed.
2. Servo power supply can not be turned ON.
3. +24V is not output from I/O.
4. Brake signal is not output.
5. Direct OUT signal is not output.
6. LED on JZNC-JFC10 board will not light.
When the Fuse F1 (0.3 A) is burnt out, check and correct the connection of the following sig-
nals, then replace the fuse. For the spare fuse, contact your Yaskawa representative.
1. SVMX signal (Connector CN-12 pin 17 : Refer to chapter 5)
2. NCMX signal (Connector CN12 pin 18 : Refer to Chapter 5)
3. BKK signal (Connector CN-12 pin 16 : Refer to Chapter 5)
4. ESP signal (Connector CN-12 pin 19 : Refer to Chapter 5)
5. DOUT Signal (Connector CN-14 pin 20 :Refer to Chapter 8)
Fuse F2 :
When the Fuse F2 blows, the following abnormalities may occur.
1. “3001 Servo alarm” will be displayed.
2. “3002 Emergency stop” alarm will be displayed.