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Hitachi 902 - Retry Code Table

Hitachi 902
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2 - 64
2.5 Retry Code Table
Allowable
Retry Count
1 Alarm fuse blown 1/50 ms
2 12 V for lamp 1/4.5 sec Check is not made when lamp is turned
off (during initialization, water exchange
or sleep).
3 15 V for CPU rack 1/50 ms
4 -15 V for CPU rack 1/50 ms
14 Liquid in vacuum tank 1/4.5 sec
15 Vacuum pressure abnormal 1/4.5 sec Check is not made within 10 sec after
vacuum pump turns on.
16 Waste solution tank 1/4.5 sec
17 Incubation bath water inadequate 100/4.5 sec Checked in the following statuses;
standby, operation, sampling stop.
18 Distilled water short 1) 10/6 sec Water supply
2) 50/6 sec Warning
3) 150/6 sec STOP
19 Distilled water sensor abnormal 1/6 sec Check is not made during initialization,
water exchange or wake-up.
31 GPCNT1 10 Only at power-on
32 GPCNT2 10 Only at power-on
33 GPCNT3 10 Only at power-on
34 GPCNT4 10 Only at power-on
35 GPCNT5 10 Only at power-on
36 GPCNT6 10 Only at power-on
37 GPCNT7 10 Only at power-on
38 GPCNT8 10 Only at power-on
46 GMCNT1 10 Only at power-on
47 GMCNT2 10 Only at power-on
48 GMCNT3 10 Only at power-on
49
50 ADC controller 1 Only at power-on
71 Checksum error detected in operation
unit
1
72 Checksum error detected in analyzing
unit
1
102
103
104
105
106
107
Code Description Remarks

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