Mitsubishi Electric M800W Series Connection And Set Up Manual page 126

M800W/M80W Series Connection and Setup Manual
4 General Specifications
[LED]
(1)
(2)
(3)
(4)
No. Name
(1) 24VDCIN
(2) DCOUT
(3) LCDON
(4) ERR
Lamp state
Lit (Green) 24VDC power is being supplied from the external power supply.
The following may have caused an error:
- No 24VDC-power supply from the external power supply.
Not lit
- Disconnection of fuse near DCIN connector.
- Failure of LED.
Lit (Green) Internal voltage is normally output.
The followings may have caused an error:
- No 24V-power supply from the external power supply.
Not lit
- Failure in any of the power output circuits.
- Failure of LED or IC which helps turn the LED ON.
Lit (Green) 12VDC for the backlight of display unit is normally output.
The followings may have caused an error:
Not lit - Failure of 12VDC output in control unit.
- 24VDC input voltage is +20V or less.
H/W is not operating properly. The followings may have caused an error:
Lit (Red) - Occurrence of NC watchdog error.
- Failure of main CPU card.
Not lit H/W is operating properly.
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Details
IB-1501268-K