Troubleshooting; Outline Of Failure Diagnosis - Hitachi RCUE40AG2 Service Manual

Troubleshooting

5.2. Troubleshooting

5.2.1. Outline of failure diagnosis

In the case of abnormality, alarm LED on the control panel of unit and of remote control is
ON and segment indication on the control panel is fl ickering. To stop the unit, put it into stop
operation without power OFF(Main switch).
Segment Indication:
Abnormality Code Flickering.
Alarm Indication Led: ON
(Local Side)

NOTES:
After the stop operation, alarm indication is turned off and initial status 88 is displayed.
−
Abnormality code, which was activated before can be seen by entering "Indication Mode of
Alarm Occurrence Data".
When the power turns off and turns on, the indication on the display is initial status. Abnormal
−
code, which was activated before can be seen by entering "Indication Mode of Alarm
Occurrence Data"
When the power turns off (Main switch), "The Last Saved Data before Alarm Occurrence" is
−
cleared.
"The Last Saved Data before Alarm Occurrence" has only the last data before last alarm. In case
−
of before that, only alarm code is saved.
pag. 108
SMGB0003 rev.0 - 01/2007
Alarm occur
Stop Operation
Yes
Is abnormality code
in segment indication
confi rmed?
No
Abnormality code is indicated
by indication mode of alarm
Occurrence Data.
Abnormality code is indicated
in the segment indication.
The last saved data before
alarm occurrence is confi rmed
Take proper measure
according to the alarm position
Remote Control Run Indication: OFF
*One cycle continues running in more
than 2 cycles unit: ON
Remote Control Alarm Indication: ON
(Remote Side)