Each Unit Status Display; Control Unit - Mitsubishi Electric M80 Series Maintenance Manual

M800/M80/E80 Series Maintenance Manual
1 System Basic Configuration

1.4 Each Unit Status Display

Each unit status can be confirmed by checking the LED mounted on each unit.

1.4.1 Control Unit

FCU8-MU042/FCU8-MA041 (M800W)
[LED]
No. Name
(1) 24VDCIN Lit (Green)
Not lit
(2) DCOUT Lit (Green)
Not lit
(3) READY Lit (Green)
Not lit
(4) ERR Lit (Red)
Not lit
(5) SDACC Flashing (Green)
Not lit
IB-1501273-F
Cover opened
Lamp state
24V power is being supplied from the external power supply.
The followings may have caused an error:
No 24V-power supply from the external power supply.
Disconnection of fuse near DCIN connector.
Failure of LED.
The followings are all successfully output: 5V and 3.3V generated from
24V; 2.5V,1.8V,1.5V,1.15V, and 1.1V on the main card.
The followings may have caused an error:
No 24V-power supply from the external power supply.
Failure in any of the power output circuits.
Failure of LED or IC which helps turn the LED ON.
Servo ON (or ready ON) state.
Servo OFF (or ready OFF) state.
H/W is not operating properly. The followings may have caused an error:
Occurrence of NC watchdog error.
Failure of main CPU card.
H/W is operating properly.
Accessing to front-side SD card.
Not accessing to front-side SD card.
Details
18
(1)
(2)
(3)
(4)
(5)