Chapter 1. Error Display; Led Indicate - Hitachi HT-4139-28 Troubleshooting Manual

1 Error Display

1.1 LED Indicate

When the unrecoverable error is detected in the device, it shows in the Panel.
Recover corresponding to state of POWER/STATUS/SLEEP LED as shown in below table.
PANEL LED
POWER STATUS SLEEP
On On Off
Off Off On
At about 5seconds after
Power is on
Device Status Recovery
Unrecoverable error Recover according to the error
information in the Dialog.
(Refer to 2.1)
Fan Abnormal error Check the connection and the rotation of
the Fan.
If not recovered, replace following parts.
1. #51 DC Fan
2. #52 DC Fan
Troubleshooting
1-1