Yaskawa i80M Maintenance Manual - Manual (Page 118)

4.3 TROUBLESHOOTING WITHOUT ALARM CODES (Cent’d)
( c ) S y s t e m
When a
system
E r r o r I n d i c a t i o n
major error occurs in the system, the entire
is stopped, a system error is displayed on
t h e
s c r e e n , a n d
t h e c o n t e n t s a r e d i s p l a y e d o n
7-segment LED as well.
2:
3:
4:
5:
6:
7:
Watchdog error
ROM check error
Packet communication
Packet communication
Packet communication
Packet communication
Packet communication
error
ID error
packet length error
check sum error
data length error
undefined function
o
8: Packet communication
&
issue error
9: Packet communication
A: Division error
undefined command
undefined code error
Undefined interrupt error
File operation error
(7) Processing Program Area, Initialization Check
A t p o w e r a check is made to see if the
processing program area was initialized previously
with all system numbers and is available for use.
An alarm occurs when the processing program area
was initialized, and when initializatio-n performed
but CMOS destruction may occur due to a weak
battery.
ALM301O: Processing program memory not
initialized
110