Mitsubishi Electric M800VS Series - Page 77

M800VS/M80V Series Connection and Setup Manual
4 General Specifications
4.4 Control Unit [M80V]
46
IB-1501613-A
LED
No. Name Lamp state Details
(1)
24VIN Lit (Green) 24 VDC power is being supplied from the external power supply.
Not lit The followings may have caused an error:
 No 24 VDC-power supply from the external power supply.
 Disconnection of fuse near DCIN connector.
 Failure of LED.
(2)
DCOUT Lit (Green) Internal voltage is normally output.
Not lit The followings may have caused an error:
 24 V-power is not being supplied from the external power supply.
 Failure in any of the power output circuits.
 Failure of LED or IC which helps turn the LED ON.
(3)
LCDON Lit (Green) 12 VDC for the backlight of display unit is normally output.
Not lit The followings may have caused an error:
 Failure of 12 VDC output in control unit.
 24 VDC input voltage is +20 V or less.
(4)
READY Lit (Green) Ready ON state.
Not lit Ready OFF state.
(5)
ERR Lit (Red) H/W is not operating properly. The followings may have caused an error:
 NC watchdog error.
 Failure of main CPU card.
Not lit H/W is operating properly.
(1)
(2)
(5)
(4)
(3)