Mitsubishi Electric E80 Series, Руководство по обслуживанию

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M800/M80/E80 Series Maintenance Manual
1 System Basic Configuration
20 IB-1501273-F
 FCU8-MU542 / FCU8-MA542 / FCU8-MU541 / FCU8-MA541(M800S)
FCU8-MU511 / FCU8-MU512 / FCU8-MU501 / FCU8-MU502(M80)
FCU8-MU513 / FCU8-MU514(E80)
[LED]
No. Name Lamp state Details
(1) 24VIN Lit (Green) 24VDC power is being supplied from the external power supply.
Not lit
The followings may have caused an error:
 No 24VDC-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:
 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.
(3) LCDON Lit (Green) 12VDC for the backlight of display unit is normally output.
Not lit
The followings may have caused an error:
 Failure of 12VDC output in control unit.
 24VDC input voltage is +20V 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:
 Occurrence of NC watchdog error.
 Failure of main CPU card.
Not lit H/W is operating properly.
(1)
(2)
(5)
(4)
(3)