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DNW-A220
DNW-A220P
SY-259/259A Board
Ref.No. Indicator name Color Description Normal state
D201 SY1 STS1 Green Blinks when the SYS1 CPU normally operates Blinking
D202 SY1 STS2 Green Lit when communication between SYS1 CPU and control Lit
panel is under normal conditions
Unlit when the above communication is under abnormal
conditions
D203 MAINTE Green Lit during execution of the maintenance mode Dark
D204 SY1 ERR Red Lit when the SYS1 CPU does not normally operate Dark
Blinks when communication between SYS1 CPU and other
CPU (SYS2, or KY) is under abnormal conditions
SY-260 Board
Ref.No. Indicator name Color Description Normal state
D201 SY2 STS1 Green Blinks when the SYS2 CPU normally operates Blinking
D202 SY2 STS2 Green Lit when communication between SYS2 CPU and SV CPU is Lit
under normal conditions
Unlit when the above communication is under abnormal
conditions
D203 SY2 STS3 Green Lit when communication between SYS2 CPU and SYS1 CPU is Lit
under normal conditions
Unlit when the above communication is under abnormal
conditions
D204 SY2 ERR Red Lit when the SYS2 CPU does not normally operate. Dark
Blinks when communication between SYS2 CPU and other
CPU (SYS1, or SV) is under abnormal conditions
1-10. Description on Internal Indicators
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