Hitachi 902 Service manual

SERVICE MANUAL

FOR

MODEL 902 AUTOMATIC

ANALYZER

Copyright  Hitachi, Ltd. 1997. All rights reserved. Printed in Japan. Part No. 713-9039 KN-K (H-LT)

MODEL 902 AUTOMATIC ANALYZER

CONTENTS

1. PRODUCT SPECIFICATIONS................................................................................. 1-1

2. TROUBLESHOOTING ............................................................................................. 2-1

3. FLOW PATH DIAGRAMS ........................................................................................ 3-1

4. BLOCK DIAGRAMS................................................................................................. 4-1

5. ISE ........................................................................................................................... 5-1

6. SWITCH SETTING................................................................................................... 6-1

7. EXPLANATION OF FUNCTION............................................................................... 7-1

8. MOTORS, DETECTORS AND FUSES .................................................................... 8-1

9. ANALYTICAL METHODS......................................................................................... 9-1

10. CIRCUIT DIAGRAMS............................................................................................... 10-1

11. CROSS WIRING REFERENCE ............................................................................... 11-1

12. INSTALLATION........................................................................................................ 12-1

13. MAINTENANCE AND INSPECTION ........................................................................ 13-1

14. ADJUSTMENT SPECIFICATIONS........................................................................... 14-1

15. OEM......................................................................................................................... 15-1

16. SYSTEM INTERFACE.............................................................................................. 16-1

- i -

1.PRODUCT SPECIFICATIONS

1.1 Overall System.........................................................................................................1-1

1.2 Sampling System.....................................................................................................1-2

1.3 Reagent System.......................................................................................................1-3

1.4 Reaction System......................................................................................................1-4

1.5 Photometic System..................................................................................................1-5

1.6 ISE (option)..............................................................................................................1-5

1.7 Installation Conditions..............................................................................................1-6

1.8 User Interface...........................................................................................................1-6

1.9 Dionized Water........................................................................................................1-6

1.10 Analytical Methods...................................................................................................1-7

1.11 Accuracy Methods....................................................................................................1-7

1.12 Data Storage............................................................................................................1-7

1.13 System Interface......................................................................................................1-8

1.14Options for Analyzer.................................................................................................1-8

1 - 0

1.PRODUCT SPECIFICATIONS

1.1 Overall System

Configuration : Console type automatic analyzer, with analytical and operation units

integrated

Principle : Discrete type, random access, single-line multi-analysis system;

entire reaction monitoring system

Analytical methods : Colorimetry (absorbance measurement), ion selective electrode

method (ISE; option)

Throughput : Colorimetry ; 200 tests/hr (Photometry only max. 300 tests/hr

inclusive of ISE)

No. of analysis items: Colorimetry ; 36

ISE ; 3 (Na, K, Cl)
Serum indexes ; 3
Calculation items; 8

Reaction time : 10 minutes max.; 3, 4, 5, 10 minutes for concentration calculation

(same as Model 7070/7170)

Measurable samples : Serum (or blood plasma) and urine; one sample kind per channel

Application : Emergency (stat) and routine analyses

Test item selection : Via entry from operation panel, entry from system interface, entry

from no. of items settable (11 kinds)

1 - 1

1.2 Sampling System

Sample container : Hitachi standard sample cup

Sample tube ;diameter 13 to 17 mm

length 75 to 100 mm

Sample disk : 60 positions

Outer row;35 positions (routine and stat samples)

(with free adapter, barcode reader attachable)

Inner row;25 positions (standard + control samples (22),

rinse solutions (3))

Detergents : 3 kinds

(W1;for sample probe rinsing) HITERGENT
(W2;for sample carryover evasion) ISE RINSE SOLUTION
(W3;for sample carryover evasion) HICARRYNON

Sampling mechanism : Pipetter driven by stepping motor

2 to 50 µL of sample/test (in 0.1 µL steps)

Pipetting mode : Normal ; prescribed volume discharged at cell

bottom

Aqueous sample; system water solution for sample probe

internal rinsing usable as STD-1

Sample pre-dilution not performed

Insufficient sample detection: Resistance detection method

Sample ID : Barcode reader (option)

Following code shemes are usable in combination; CODE 39,
CODE 128, INTERLEAVED 2 OF 5, NW7 (Modulas 10,
Modulas 16)

Automatic rerun : Auto rerun function not provided

Stat sample analysis : Routine sample analysis interruptible for stat sample analysis

Sample carryover : Sample carryover evasion function available; 2 kinds of

detergents settable on sample disk inner row

Sample conveyance : Can be sampled directly from belt-line

1 - 2

1.3 Reagent System

Reagent disk : One disk, 40 positions

(20 positions each on inner and outer rows)

Reagent cooling : Cooling water circulating system (3 to 15°C) (option for China-

destined instrument)

Reagent bottle : 50 mL, 20 mL (adapter necessary)

(without barcode, concentrated reagent unusable)

Detergents : HITERGENT (50 mL); position 40 (fixed)

(for addition to reaction bath)
Detergent 1; for reagent probe, stirring rod rinsing, reagent

probe carryover evasion, reaction cell carryover
evasion

Detergent 2; for reagent probe carryover evasion, reaction cell

carryover evasion

(settable on reagent disk inner row)

ISE reagent : Internal standard solution(position 37 (fixed))

Diluent (position 38 (fixed))

Pipetting mechanism : Pipetter driven by stepping motor; 20 to 350 µL/test (in 1 µL

steps)

Reagent addition timing: 3 steps (0, 1.5 and 5 minutes); throughput is maintained even

when adding 3 reagents.

Carryover evasion : Rinsing for carryover evasion possible; throughput may decrease

by specifying carryover evasion.

1 - 3

1.4 Reaction System

Reaction disk : Turntable type disk (10-minute reaction per rotation)

Reaction cell : Optical path length 6 mm (area 6 × 5 mm)

No. of reaction cells : 48

Reaction cell control : One rotation + one pitch feed (18 seconds)

Sample pipetting position: One position (fixed)

Reagent pipetting position: One position (fixed)

Reaction temperature : 37 ± 0.1°C (warm water circulating system)

Stirring : By means of stirring rod rotation

Timing for stirring; after each addition of R1,R2,R3
Stirring possible for a minimum volume of 100 µL

Stirring position : One position (fixed)

Reacting solution volume: Minimum; 250 µL (minimum required volume for photometry)

Maximum; 500 µL (temperature control, rinsing upper limit)

Photometric position : One position (fixed)

Cell rinsing : After completion of photometry (rinsing 3 times; rinsing with

detergent not performed)

Carryover evasion : Rinsing for carryover evasion possible; throughput may decrease

by specifying cell carryover evasion

1 -4

1.5 Photometric System

Photometer : Multiwavelength photometer (absorptiometry)

Wavelengths : 12 wavelengths

(340, 376, 415, 450, 480, 505, 546, 570, 600, 660, 700, 800 nm)

Monochromator : Grating

Detector : Photodiode

Linearity : Up to 2.5 Abs (10 mm cell conversion)

Photometric method: Direct photometry of reaction cell (at one or two wavelengths)

Correction : Cell blank correction prior to analysis

(passed cell blank measurement alone)

1.6 ISE (option)

Electrodes : Flow cell type, liquid-membrane ISE cartridge

Reference electrode flow path: 1 MKCL, liquid flow path

Measuring temperature : 36°C ± 2°C (warm water circulating system)

System : Indirect (dilution) potentiometry, 50-times dilution

Measuring cycle : 36 sec/sample (18 sec for sample, 18 sec for internal

standard solution)

Measured items : Na, K, Cl

Measurable samples : Serum and urine

Linearity : Na;10 to 250 mmol/L

K ;1 to 100 mmol/L
Cl;10 to 250 mmol/L

Reagent bottle : Internal standard solution ; 50 mL max.

Diluent ; 50 mL max.
Reference electrode solution; 500 mL max.

1 - 5

1.7 Installation Conditions

Power requirement : 230 V, 50/60 Hz, less than 1.5 kVA

Deionized water consumption: Less than 15 L/hr

Waste liquid drain : 2 systems (for concentrated and diluted liquids)

Ambient temperature/humidity: Temperature; 18 to 30°C

Humidity ; 20 to 80% (non-condensing)

Analyzer dimensions : 720 W × 720 D × 1085 H mm

Analyzer weight : Within 200 kg

BTU : 1300 kcal/hr max.

Noise (mean) in operation : < 55 dB

1.8 User Interface

Application : Routine analysis for Asia version

Display : Backlighted LCD; 256 × 128 dots, graphic

Keyboard : Touch screen keys (72 keys)

Printer : Thermal roll-paper printer (20 digits)

Multi-language
compatibility : Display; Japanese/English/Chinese/German/Spanish applicable

Printer; English alone

1.9 Deionised Water

Pressure : 0.5 to 3.5 kgf/cm

2

Conductivity: 1 µs/cm or less, germ-free

1 - 6

1.10Analytical Methods

Assay modes : One-point

One-point end (+ prozone check)
Two-point rate
Two-point end (+ prozone check)
Three-point two-item
One-point rate two-item
Rate A (+ sample blank correction)
Rate A (+ serum indexes)
Rate B two-item (same wavelength)
Rate B two-item (different wavelengths)
ISE

Data alarms : Based on Model 7070/7170

Standard solution : 22 kinds max. (positions to be shared with control sera)

Calibration types : Linear (2-point linear)

K factor
4 parameter LOGIT-LOG
5 parameter LOGIT-LOG
Spline
Segmented line

Calibration method : At startup only; all points (FULL) and reagent-blank-corrected

calibration

Calculation channels : For 8 channels

Test-to-test compensation : For 8 channels

1.11Accuracy Control

Control serum : 5 kinds max. (positions shared with standard solutions)

1.12Data Storage

Routine sample data : 400 samples (in data disk)

Stat sample data : 50 samples (in data disk)

Control sample data : 5 kinds × 30 (in SRAM)

1 - 7

1.13System Interface

Interface : RS-232C and current loop

Communication protocol: Based on Model 7070/7170

Communication details : Communication with host; communication details based on Model

7070/7170

1.14Options for Analyzer

ISE

Sample ID accessory : Model ; BL180

Maker ; Keyence
Barcode spec.; CODE 39, ITF, NW7 (Modulas 10, Modulas 16),

CODE 128

1 - 8

2. TROUBLESHOOTING

2.1 Alarm Code Table ....................................................................................................2-1

2.1.1 LCD Display Alarm .....................................................................................2-24

2.2 Motor Control Alarms................................................................................................2-26

2.2.1 Operation Check Procedure at Occurrence of Alarm .................................2-27

2.3 Parameter Check .....................................................................................................2-29

2.3.1 Processing Flow .........................................................................................2-29

2.3.2 Details of Parameter Check........................................................................2-30

2.3.3 Details of Twin Test Simultaneous Analysis ...............................................2-34

2.4 Data Alarm...............................................................................................................2-35

2.4.1 Data Alarm Registratin Flow.......................................................................2-35

2.4.2 Data Alarm Code List..................................................................................2-36

2.4.3 Data Alarm Codes ......................................................................................2-37

2.4.4 ISE Data Alarms.........................................................................................2-49

2.4.5 Alarm Check Method..................................................................................2-52

2.4.6 Check and Set Alarm of Each Data............................................................2-60

2.4.7 Details of Data and Alarm Outputs Resulting from Calibration...................2-61

2.4.8 Output Check List for Each Photometry Assay CALIB. METHOD .............2-62

2.5 Retry Code Table.....................................................................................................2-64

2.5.1 Logging Program List......................................................................................2-65

2.6 Daily Alarm Trace.....................................................................................................2-67

2.6.1 Cumulative Alarm Trace.............................................................................2-69

2.6.2 Parameter Code List...................................................................................2-72

2.6.3 Communication Trace.................................................................................2-74

2.6.4 Cumulative Instrument Operation List.........................................................2-78

2.6.5 FD File Management..................................................................................2-79

2 - 0

2. TROUBLESHOOTING

2.1 Alarm Code Table

Category Alarm Name Category Alarm Name

1 STIRRER 38 VAC. TANK
2 39
3 RINSE 40
4 41 LAMP
5 R.DISK 42
6 S.PROBE 43
7 44
8 S.DISK 45 CELL BNK1

9 46 CELL BNK2
10 47 ADC1 ?
11 S. SHORT 48 ADC2 ?
12 49 ADC3 ?
13 50 BARCODE 1
14 51
15 S. SYRINGE 52
16 REAG. PROBE 53
17 54 BARCODE 2
18 REAG. DISK 55
19 56
20 57 REAG. SHORT
21 58
22 R. SYRINGE 59 REAG. LEVEL
23 60
24 ISE SIPPER 61
25 62
26 ISE SYRING. 63
27 ISE STOP ? 64
28 TEMP CONT. 65
29 INC. WATER 66
30 REF. WATER 67 TS OVER
31 DIST. WATER 68 PATNT OVER
32 DIST. SENS. 69 SAMP. END
33 70
34 RESERVOIR 71 DC POWER
35 72 FUSE
36 73 POWER FAIL
37 SIPPER 74

2 - 1

(cont’d)

Category Alarm Name Category Alarm Name

75 MOTOR CONT. 114 ACI ERROR
76 MOTOR TOUT 115
77 116
78 117
79 118
80 119 FD WRITE ?
81 120 FD READ ?
82 121 NO FD
83 STANDARD ? 122
84 CALIB. 123 FD PROTECT
85 CALIB. SD ? 124
86 SENS. ? 125 PRINTER
87 126 SYSTEM I/F
88 127
89 128
90 ISE LEVEL 129
91 ISE NOISE 130 WATER EXG.
92 ISE PREP. 131
93 ISE SLOPE 132
94 ISE I. STD 133
95 REF. SHORT 134
96 TWIN TEST ? 135
97 136
98 CHEM. PARAM ? 137
99 CLB. PARAM ? 138

100 VOLUME ? 139
101 140 PANEL I/F
102 141 REAGNT ?
103 CMP. TEST ? 142
104 S. INDEXES ? 143
105 144
106 ON BOARD ? 145 CELL C. O.
107 REAG. POS ? 146 ISE C. O.
108 CLB (IS) POS 147
109 148
110 149
111 150
112 151
113 152

2 - 2

Alarm
Control
No.

1 to 8 STIRRER 1 1 STOP In ascending action of the

21,22 RINSE 3 1 STOP The rinsing mechanism does

Alarm Category

1 2 STOP In ascending action of the

1 3 STOP In descending action of the

1 4 STOP When the stirrer moves

1 5 STOP The stirrer does not come to
1 6 STOP At resetting, the stirrer does

1 7 STOP At resetting, the stirrer does

1 8 STOP In rotation of the stirrer, it is

3 2 STOP The rinsing mechanism does

Sub­code

Level Description Remedy

stirrer, it does not reach the
upper dead point (on the
rinsing bath side).

(Alarm at the first upper
dead point after resetting will
be issued from other than
the cell side.)

stirrer, it does not reach the
upper dead point (on the cell
side).

stirrer, it does not leave the
upper dead point.

toward the rinsing bath, it
does not reach the rinsing
bath position.

the cell position.
not reach the rinsing bath

position (home position) in
its return movement to the
home position.

not leave the rinsing bath
position (home position) in
its departing movement
from the home position.

not set at the upper dead
point.

not reach the upper dead
point in ascending motion.

not leave the upper dead
point in descending motion.

Check the upper dead
point detector.

Same as above

Same as above

Check the home
detector.

Check the detector on
the cell side.

Check the home
detector.

Same as above

Check the upper dead
point detector.

Check the upper dead
point detector.

Same as above

2 - 3

Alarm
Control
No.

Alarm Category

Sub­code

Level Description Remedy

61 to 65 R. DISK 5 1 STOP The reaction disk cannot

recognize its stop position.

5 2 STOP The reaction disk does not

stop at the specified
position.

5 3 STOP At resetting, the reaction

disk cannot recognize its
home position.

5 4 STOP At resetting, the first cell

on reaction disk does not
stop at the specified
position.

5 5 STOP When the reaction disk

turns, the serum probe,
reagent probe, stirrer or
rinsing mechanism is not
set at the upper dead point

(on the cell side).
(When this alarm is

issued, another alarm (on
rinsing or stirring
mechanism) may concur.)

71 SAMPLE

PROBE

6 1 S.STOP/

STOP

(Note 1)

The serum probe does not
reach the upper dead point
in ascending motion (on
other than the cell side).

(Alarm at the first upper
dead point after resetting
will be issued from other
than the cell side.)

72 to 85 SAMPLE

PROBE

6 2 STOP The serum probe does not

reach the upper dead point
in ascending motion (on
the cell side).

6 3 S.STOP/

STOP

(Note 1)

The serum probe moves
down abnormally in
descending action (on
other than the cell side).

(±3 mm from cup bottom,
0 to 4 mm from cell

bottom)

6 4 STOP The serum probe moves

down abnormally in
descending action (on the
cell side).

6 5 S.STOP/

STOP

(Note 1)

The serum probe does not
go down from the upper
dead point in descending
motion.

NOTE: 1. S.STOP may be issued only during operation.

(cont’d)

Check the detectors for
stop positions on the
inner and outer tracks.

Same as above

Check the home
detector.

Check the home
detector or inner/outer
track detector.

(1) Perform resetting.
(2) Check the upper

dead point detector
of the mechanism
which caused
alarm.

Check the upper dead
point detector.

Same as above

(1) Check the liquid

level detector.

(2) Replace the liquid

level detector PC
board.

Same as above

Check the upper dead
point detector.

2 - 4

Alarm
Control

Alarm Category

No.

72 to 85 SAMPLE

6 6 STOP The serum probe does not

Sub-

code

Level Description Remedy

PROBE

6 7 S.STOP/

STOP

(Note 1)

6 8 S.STOP/

STOP

(Note 1)

6 9 S.STOP/

STOP

(Note 2)

6 11 S.STOP/

STOP

(Note 1)

6 12 WARNINGThe serum probe moves

6 13 S.STOP/

STOP
(Note 2)

6 14 STOP In rotation of the serum

6 15 STOP In rotation of the serum

101 to
106

SAMPLE
DISK

8 1 S.STOP/

STOP
(Note 2)

8 2 S.STOP/

STOP
(Note 2)

8 3 S.STOP/

STOP
(Note 2)

8 4 S.STOP/

STOP
(Note 2)

NOTE: 2. S.STOP may be issued only during operation.

go down from the upper
dead point in descending
motion (on the cell side).

Detection of abnormal
descending motion of the
serum probe remains on.

When serum probe turns to
the cell side, the cell position
cannot be detected.

When the serum probe turns
from the cell side to other
position, it does not come off
the cell position.

Before the probe goes down,
the liquid level detector is
already turned on.

down abnormally in
descending action (only at
turning of the serum probe in
adjustment).

In rotation of the serum
probe, it is not set at the
upper dead point.

probe from the reset
position, it does not come off
the reset position.

probe to the reset position, it
cannot detect the reset
position.

The sample disk cannot
detect the stop position on
outer track.

The sample disk does not
stop at the specified position
on outer track.

The sample disk cannot
detect the stop position on
inner track.

The sample disk does not
stop at the specified position
on inner track.

(cont’d)

Check the upper dead
point detector.

Refer to alarm code
6-3.

Check the home
detector.

Same as above

Refer to alarm code
6-3.

Same as above

Check the upper dead
point detector.

Check the home
detector.

Same as above

Check the outer track
detector.

Same as above

Check the inner track
detector.

Same as above

2 - 5

(cont’d)

Alarm
Control

Alarm Category

No.

101 to
106

SAMPLE
DISK

107 SAMPLE

DISK

251 to
310

551 to
552

561 to
568

SAMPLE
SHORT

SAMPLE
SYRINGE

REAGENT
PROBE

Sub­code

Level Description Remedy

8 5 STOP At resetting, the sample disk

cannot detect the home
position.

8 6 STOP At resetting, the sample disk

does not stop at the specified
point of home position.

8 7 STOP At resetting, the sample disk

does not leave the home
position.

11 1 to 60WARNING In sipping from the sample

cup, sample on the sample
disk is inadequate.

Sub-code groups

Routine/
stat samples:1 to 35

Control STD:36 to 57
W1 to W3 :58 to 60

15 1 S.STOP/

STOP

15 2 S.STOP/

STOP

The serum syringe does not
reach the upper dead point.

The serum syringe does not
go down from the upper dead
point.

16 1 STOP The reagent probe does not

reach the upper dead point in
ascending motion.

16 2 STOP The reagent probe moves

down abnormally in
descending motion.

16 3 STOP The reagent probe does not

go down from the upper dead
point in descending motion.

16 4 WARNINGDetection of abnormal

descending motion of the
reagent probe remains on.

Check the home
detector.

Same as above

Check the home
detector.

Add sample.

Check the upper
dead point detector.

Same as above

Check the upper
dead point detector.

Check liquid level
detection.

Check the upper
dead point detector.

Check the
descending error
detector.

2 - 6

Alarm
Control
No.

561 to
568

Alarm Category

REAGENT
PROBE

16 5 STOP When the reagent probe

Sub­code

Level Description Remedy

turns toward the cell, it
cannot detect the cell
position.

16 6 STOP When the reagent probe

turns from the cell side to
other position, it does not
leave the cell position.

16 7 STOP Before the probe goes down,

the liquid level detector is
already turned on.

16 8 STOP In rotation of the reagent

probe, it is not set at the
upper dead point.

581 to
593

REAGENT
DISK

18 1 STOP The stop position of reagent

disk cannot be detected.

18 2 STOP The reagent disk does not

stop at the specified position.

18 3 STOP The home position of reagent

disk cannot be detected.

621 to
622

REAGENT
SYRINGE

22 1 STOP The reagent syringe does not

reach the upper dead point.

22 2 STOP The reagent syringe does not

move down from the upper
dead point.

641 ISE

SIPPER

24 1 STOP The sipper nozzle does not

reach the upper dead point
(during resetting/
operation).

642 ISE

SIPPER

661 to
662

ISE
SYRNG

671 ISE STOP

OK ?

24 2 WARNING/

STOP

(Note 4)

26 1 WARNING/

STOP

(Note 4)

26 2 WARNING/

STOP

(Note 4)

27 1 WARNING/

STOP

(Note 4)

The sipper nozzle does not
leave the upper dead point.

The sipper syringe does not
reach the upper dead point.

The sipper syringe does not
leave the upper dead point.

The ISE function is stopped
due to alarm.
(This warning is indicated
when restart in the sampling
stop status was attempted.)

NOTES: 3. S.STOP may be issued only during operation.

4. Though the photometry assay function works, the ISE function does not work.

(cont’d)

Check the home
detector.

Same as above

Check liquid level
detection.

Check the upper
dead point detector.

Check home
detection or count
detector.

Same as above
Check home

detection.
Check the upper

dead point detector.
Same as above

Check the upper
dead point detector of
ISE sipper.

Same as above

Check the upper
dead point detector of
ISE Syringe.

Check alarm log and
deal with the alarm.

2 - 7

(cont’d)

Alarm
Control

Alarm Category

No.

681 TEMP

CONTROL

28 1 WARNING The water temperature of

Sub­code

Level Description Remedy

incubation bath is higher
than 45.0°C.

28 2 WARNING The water temperature of

incubation bath is outside a
range of 37 ± 0.5°C.

(This is checked only at
operation.)

691 INCUBA-

TOR

29 1 WARNING The water level of

incubation bath is too low.

WATER

701 REF

WATER

30 1 WARNING A period of 24 hours has

passed since exchange of
incubation bath water.

711 DISTILLED

WATER

31 1 STOP The water level of distilled

water tank is too low.
(This alarm will not be

issued during initialization
and water exchange.)

712 DIST

WATER

721 DIST

WATER
SENSOR

724 RESER-

VOIR

31 2 WARNING The water level of distilled

water tank is too low.

32 1 WARNING The water level sensor in

distilled water tank is
abnormal.

34 1 WARNING The waste solution reservoir

is full.

771 SIPPER 37 1 STOP The negative pressure of

vacuum pump is too low.

781 VACUUM

TANK

811 to
813

PHOTOME­TER LAMP

38 1 WARNING Water is accumulated in the

vacuum tank.

41 1 WARNING In passed cell blank

measurement, a value of
more than 3.3 Abs is
indicated in any one of 4
measurements.

(3 times or less)

41 2 S.STOP

(Restart
un­allowable

41 3 S.STOP

(Restart
un-

In passed cell blank
measurement, a value of
more than 3.3 Abs is
indicated for all of ADC1,

)

ADC2 and λ

to λ12.

1

The above alarm code 41-1
is issued 10 times
consecutively.

allowable)

Check the thermistor
or thermostat of
heater.

Same as above

Replenish water or
check the drain
solenoid valve.

Exchange incubation
bath water.

Check the water level
sensor.

Same as above
Check float switch.

Check waste solution
tank detection.

Check vacuum level
at vacuum suction.

Check SV12 or SV14.
(1)Replace light

source lamp.

(2)Check 12 V

power supply.

2 - 8

(cont’d)

Alarm
Control

Alarm Category

No.

1231 CELL

BLANK

1241 to
1400

1441 to

PASS CELL
BLANK

ADC1? 47 1 WARNING Any one of I/O error,

1444

Sub­code

45 1 S.STOP

Level Description Remedy

In passed cell blank
(Restart
un­allowable)

measurement, any one of

ADC1, ADC2, λx and λy

differs from the reference

value (Note 5) by more than

0.1 Abs through 10

consecutive cycles.

(Counting is not made in

use for stopped cell blank

test.)

46 1 to 48WARNING In 4 passed cell blank

measurements, any one of

ADC1, ADC2, λx and λy

differs from the reference

value (Note 5) by more than

0.1 Abs twice or more.

(In case any one of those

values differs only once, the

average value of normal

data is treated as a value of

passed cell blank.)

boundary error of parameter

block pointer, I/O device

busy, channel error and I/O

device error (PC board not

mounted, device

inoperable, time-out) has

occurred.

47 2 WARNING •A/D count value remains

at 0.

•After A/D conversion,
interruption is impossible.

•The command or
parameter given to A/D
PC board is abnormal.

•A/D conversion cannot be
completed.

(Time-out occurs.)
(Reference voltage is

checked.)

47 3 WARNING The number of A/D starts

cannot be reset to 0.

(This is checked at reaction

measurement.)

(1)Carry out cell

washing.

(2)Replace the cell.

Same as above

Replace ECPU230 or
EMIO100 PC board.

(1)Replace Log Amp

PC board.

(2)Check 2 V and

6 V reference
voltages.

Same as above

2 - 9

(cont’d)

Alarm
Control
No.

1441 to
1444

1451 to
1453

1461 to
1462

1471 to
4506

Alarm Category

ADC1? 47 4 WARNING •A/D count for 2 V is

Sub­code

Level Description Remedy

Same as above

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.)

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)

ADC3? 49 1 WARNING Refer to alarm code 47-2. Replace EMIO100

49 2 WARNING •A/D count for 2 V is

abnormal.

Same as above

PC board.
Same as above

•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)

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.

2 - 10

(cont’d)

Alarm
Control

Alarm Category

No.

1801 to

BARCODE2 54 1 to 5WARNING An error has occurred in

1805

1931 to
1971

2231 to
2271

2781 to
2830

2851,

REAGENT
SHORT

REAGENT
LEVEL

UN­ASSIGNED

TS OVER 67 1 WARNING Because 400 samples are

2852

2861 PATIENT

SAMPLE
OVER

Sub­code

Level Description Remedy

communication with the
barcode reader. (Parity
error, framing error or
overrun error)

Sub-code indication

1:Unassigned
2:Unassigned
3:Sample disk barcode

reader
4:Unassigned
5:Unassigned

57 1 to 40WARNING •The volume of reagent to

be sipped from a reagent
bottle is inadequate.

•The reagent volume is a
total amount of one kind
of reagent for each test
item.

(1)Sub-code indicates

position No.

(2)Positions 37 and 38

are used for ISE.

(3)Position 40 is used for

HITERGENT.

(4)Position 39 is used for

HIALKALI.

59 1 to 40WARNING Reagent volume is smaller

than the remaining reagent
check value specified with
system parameter.

registered in routine sample
test selecting information,
new test selecting
information cannot be
registered from the host.

68 1 WARNING Because 400 samples are

registered in routine sample
test selecting information, a
new routine sample cannot
be analyzed.

Check the
communication cable
of barcode reader.

Set new reagent.

Set reagent newly.

After completion of
analysis, register TS
again.

Same as above

2 - 11

(cont’d)

Alarm
Control
No.

2891 to
2894

Alarm Category

DC POWER 71 1 STOP 15 V DC power supply is

Sub­code

Level Description Remedy

Replace the ±15 V

abnormal.

power supply
module.

71 2 STOP -15 V DC power supply is

Same as above

abnormal.

71 3 WARNING 12 V lamp power supply is

abnormal.
71 4 STOP 5 V power supply is abnormal.
71 11 E.STOP 24 V DC

Replace the 12 V
power supply.

5 V for other than
CPU board

2911 FUSE 72 1 E.STOP AC fuse has blown. Replace the F3

fuse.

2921 POWER

FAIL

2941 to
2973

MOTOR
CONTROL-

73 1 WARNING Power supply to the

instrument is interrupted
75 1 to 18 STOP Data cannot be written into

the motor controller.

Check power
supply.

Replace ECPU230.

LER

2991 to
3023

MOTOR
TIMEOUT

76 1 to 18 E.STOP Motor operation was

abnormal. Error has been

detected in the time-out check

of motor controller.

(1) Replace

ECPU230.

(2) Check the

mechanism
which caused

Sub-code Motor

alarm.

1 Reaction disk

2 Sample disk
3 Reagent disk
4 Rinsing mechanism

up/down

5 Sample arm

up/down

6 Sample arm

rotation

7 Reagent arm

up/down

8 Reagent arm

rotation
9 Stirrer up/down
10 Stirrer rotation
11 ISE sipper up/down
12 (Unassigned)
13 Serum syringe
14 Reagent syringe
15 ISE syringe
16 (Unassigned)
17 GMCNT
18 (Unassigned)

2 - 12

(cont’d)

Alarm
Control
No.

3101 to
3189

3251 to
3291

3401 to
3438

Alarm Category

Sub­code

STANDARD? 83 1 to 40

(ch.)

CALIBRA­TION

84 1 to 40

(ch.)

CALIB.SD? 85 1 to 36

(ch.)

Level Description Remedy

WARNING <<Photometry assay>>

(1) In calibration, the

STD absorbance data
is indicated with
alarm.

(2) In calibration, data

calculation is
disabled.

(Photometry assay)

•Replace STD
sample.

•Check the
concentration
parameter.

(ISE assay)

Same as above

<<ISE assay>>

(1) In calibration, the

potential data of
standard or internal
standard solution is
indicated with ADC
error, insufficient
sample alarm, noise
alarm or level alarm.

(2) In calibration, data

calculation is
disabled.

(The result of calibration
is not updated nor saved
onto FD.)

WARNING <<Photometry assay>>

The factor value 'K'

determined in calibration

(Photometry assay)
(ISE assay)

Same as above
differs from the previous
value by more than ±20%.

<<ISE assay>>

The calibrator
concentration value and
slope value determined in
calibration differ from the
previous values by more
than the compensation
limit (%).

WARNING The mean error determined

in multi-point calibration is

Replace STD and

check again.
larger than the SD limit
(input value).

2 - 13

(cont’d)

Alarm
Control
No.

3551 to
3588

Alarm Category

SENSITIV­ITY?

Sub­code

86 1 to 36

(ch.)

Level Description Remedy

WARNING In linear (with 2 to 6 points) or

nonlinear calibration, a
difference between the mean
STD (1) absorbance and the
mean STD (N)

(Note 7 )

The result of
calibration is not
updated nor saved
onto FD.

absorbance is smaller than
the sensitivity limit (input
value).

NOTES :

7.N:=2 for linear
(2points)

=2 to 6 for nonlinear

and linear (3 to 6
points)

(Span point input value)

8.If either STD (1) or STD

(N) alone has been
measured, the
absorbance value of the
other STD is checked
using the previous data.

4151 to
4153

4161 to
4163

ISE LEVEL 90 1 WARNING The mean potential value

(EAV) at three out of five
measurement points of
internal standard solution is
outside the following range.

(Internal standard)

Na:-90.0mV ≤ EAV ≤-10mV

⇒OK

90 2 WARNING K:-90.0mV ≤ EAV ≤ -10mV

⇒OK

90 3 WARNING Cl:100.0mV ≤ EAV ≤

180.0mV

⇒OK

ISE NOISE 91 1 WARNING A difference (FIV) between

maximum and minimum
potential values at three of
five measurement points of
internal standard solution is
outside the following range.

(Internal standard, sample)

Na:0.7mV < FIV(2) - FIV(4)

91 2 WARNING K :1.0mV < FIV(2) - FIV(4) Same as above

(1)Replace STD

and carry out
calibration.

(2)Replace the Na

electrode.

(1)Same as above
(2)Replace the K

electrode.
(1)Same as above
(2)Replace the Cl

electrode.
Carry out reagent

priming and check
for bubble
formation.

91 3 WARNING Cl:0.8mV < FIV(2) - FIV(4) Same as above

2 - 14

Alarm
Control
No.

4171 to
4173

Alarm Category

Sub­code

Level Description Remedy

ISE PREP. 92 1 WARNING Upon calibration, the slope

value is within the following
range.

Na : 45.0mV ≤ Slope value

≤ 49.9mV or

68.1mV ≤ Slope value

92 2 WARNING K : 45.0mV ≤ Slope value

≤ 49.9mV or

68.1mV ≤ Slope value

92 3 WARNING Cl : -39.9mV ≤ Slope value

≤ -35.0mV or

-68.1mV ≥ Slope value

(cont’d)

•Make sure that the
standard solution
and reagent are set
properly.

•Make sure that the
standard solution is
free from
concentration or
deterioration.

•Make sure that the
electrodes (Na, K,
Cl) are within their
guaranteed life.

4181 to
4183

4191 to
4193

ISE SLOPE 93 1 WARNING (1) In the result of

calibration, the slope
value is within the
following range.

(2) The response

characteristic of
electrode is poor (in case
carry-over rate (A) is as
indicated below).

Na : (1)SLOPE < 45.0mV

(2)0.232 < A

93 2 WARNING K : (1)SLOPE < 45.0mV

(2)0.160 < A

93 3 WARNING Cl : (1)SLOPE < -35.0mV

(2)0.490 < A

ISE I.STD 94 1 WARNING The concentration of internal

standard solution (C(IS)) is
within the following range.
Na : C(IS) < 120.0mEq/L or

160.0mEq/L < C(IS)

94 2 WARNING K : C(IS) < 3.0mEq/L or

7.0mEq/L < C(IS)

94 3 WARNING Cl : C(IS) < 80.0mEq/L or

120.0mEq/L < C(IS)

Refer to alarm
codes 92-1 to 3.

Same as above

Same as above

(1) Replace STD

and carry out
calibration
again.

(2) Replace t he

internal
standard
solution.

Same as above

Same as above

2 - 15

Alarm
Control

Alarm Category

No.

4201 to
4203

ISE
REAGENT
SHORT

4211 TWLN

TEST?

Sub­code

Level Description Remedy

95 1 Unassigned

(Liquid level detection for
IS/DIL solution)

95 2 Unassigned (Same as

above)

95 3 WARNING The volume of reference

electrode solution is 30 mL
or less.

96 1 to 36

(ch.)

WARNING (1) when analyzing two

tests at a time, the
assigned method for
the corresponding test
is inadequate.

(2) Assignment of the

corresponding test is
being done or not
being done when
analysis for two tests is
not being made at the
same time.

(3) When analyzing two

tests at the same time,
the analytical
parameters are not
identical.
Sub-codes (1 to 36)
signify the channel
numbers.

(cont’d)

Replace the
reference electrode
solution with new
one.
Check the ISE
reagent volume.

•Start setting in
order from the
tests that are
designated by the
Measured Point of
the first half of the
1 channel 2 Test
Analysis Method (3
Point, 1 Point and
Rate, Rate B)

•When not
analyzing two tests
at the same time,
do not designate
'Two Test Analysis'
for the Analysis
Parameter.

•With the Analysis
Parameter screen
for the applicable
test, unify all the
parameters below
for the
Simultaneous 2
Test Analysis Test.

• Analytical Method

• Reaction Time

• Sample Volume

• Reagent

Pipetting volume
(R1-R3)

• Calibration

Method

• Calibration Point

• Standard solution

volume

• Standard solution

position

2 - 16

Alarm
Control
No.

4511 to
4548

4661 to
4698

Alarm Category

CHEMISTRY
PARAME­TER?

CALIBRA­TION

PARAME­TER CALIB.

Sub-

code

98 1 to 36

(ch.)

99 1 to 36

(ch.)

Level Description Remedy

WARNING(1)The relationship

between assay code and

Correct the

parameter.
photometric point is
improper.

(2)The assigned

photometric point lags
behind the specified
reaction time.
(Operation is
impossible.)

WARNING (1)The relationship

between assay code and

Check parameter

and input it again.
calibration type is
improper.

(2)Necessary calibration

points for calibration
type are not input.

(3)Necessary standard

positions for calibration
are not input.

(4)The relationship

between calibration type
and calibration method
is improper.

(5)The standard

concentration values are
not set in ascending
order. (Except for STD
(3) and (4) for isozyme)

(6)Concentration value is

not zero when '99' is
entered for POS. of STD
(1).

1.The photometry assay
data in other than
manual mode is
checked.

2.Operation is
unallowable.

3.Check in (4) is made
with regard to
specifications of time­out calibration, lot-to-lot
calibration, bottle-to­bottle calibration and
test selecting
information.

(cont’d)

2 - 17

(cont’d)

Alarm
Control
No.

4811 to
4848

Alarm Category

VOLUME
CHECK?

Sub-

code

100 1 to 36

(ch.)

Level Description Remedy

WARNING (1)The total reagent

volume up to the last
photometric point is
more than 250 to
500 µL.

(2)The volumes of

reagents 1 to 3 are all

Check parameter.
If the improper
condition indicated
by alarm can be
detected, correction
and reentry are
required.

zero.

(3)The reagent volume

having a timing behind
the reaction time is not
zero.

(4)The total liquid volume

of sample and reagent is
less than 250 µL.

1.When '999' (stirring
only) is specified for
reagent volume, 0 µL is
taken for the volume.

However, when '999' is
specified for the reagent
volume having a timing
behind the reaction time,
an error occurs.

2.Operation is
unallowable.

3.The final liquid volume
is a total volume of
sample and reagent
within 250 to 500 µL.

5261 CMP. TEST 103 1 to 8 WARNING The setting of formula

number corresponding to
the relevant code is
improper.

(1)An unmeasurable test is

specified for
compensation.

(2)A compensated test is

not included in the
formula.

(3)In photometry assay for

compensated test, the
electrolyte parameter is
specified.

2 - 18

Call up calculation
item screen and
check the
compensation
formula on it.