Hitachi 902 - Page 22

2 - 10
Alarm
Control
No.
Alarm Category
Sub-
code
Level Description Remedy
1441 to
1444
ADC1? 47 4 WARNING •A/D count for 2 V is
abnormal.
•A/D count for 6 V is
abnormal.
Normal count for 2 V
(7547 < count value <
8341)
Normal count for 6 V
(22460 < count value <
25023)
(This is checked at
measurement of
reference voltage.)
Same as above
1451 to
1453
ADC2? 48 1 WARNING Refer to alarm code 47-1. Replace ISE AMP PC
board.
48 2 WARNING Refer to alarm code 47-2. Same as above
48 3 WARNING Refer to alarm code 47-4.
Reference voltage for
ISE: 2 V and 8 V
Normal count for 2 V
(7547 < count value <
8341)
Normal count for 8 V
(30184 < count value <
33364)
Normal offset value
(22811 < count value <
40547)
Same as above
1461 to
1462
ADC3? 49 1 WARNING Refer to alarm code 47-2. Replace EMIO100
PC board.
49 2 WARNING •A/D count for 2 V is
abnormal.
•A/D count for 6 V is
abnormal.
Normal count for 2 V
(12452 < count value <
13763)
Normal count for 6 V
(37356 < count value <
41288)
Same as above
1471 to
4506
BARCODE1 50 1 to 35WARNING Data reception from the
barcode reader has not
been completed before ID
reception time-out.
(Sub-code indicates the
position No. on disk.)
Replace the label or
barcode reader.
(cont’d)