Hach 900 MAX ユーザーズマニュアル

8990cm.fm

Low Main Battery

1

—

Battery pack is less than 11.5 V

High CH5

28

—

—

Memory Battery

2

—

Internal memory battery is low

High CH6

29

—

—

Low Slate Memory

3

—

Less than 10% slate memory left

High CH7

30

—

—

Slate Memory Full

4

—

Slate memory is used up

High 
Reference 
Temp.

31

—

—

Modem Failure

5

—

Modem chip/modem board failure

High 
Velocity

32

—

—

Missed Sample

6

—

No liquid detected when sampling

High D.O.

33

—

—

Purge Failure

7

—

Water present at sensors after 
purge

High D.O. 
Temp.

34

—

—

Jammed Distributor

8

—

Sensors indicate arm is not 
moving

High 
Conductivity

35

—

—

Bottle is Full

9

—

Full bottle option indicator is on

High Cond. 
Temp.

36

—

—

U-Sonic Echo Loss

10

—

No return signal detected

Low Level

37

—

—

Xducer Ringing

11

—

The return signal is detected too 
soon

Low Flow

38

—

—

U-Sonic failure

12

—

Ultrasonic board detects an error

Low 
pH/ORP

39

—

—

RS485 Timed Out

13

—

Comm. problems with RS485

Low 
Process 
Temp.

40

—

—

Unable to Cool

14

AWRS only

Too high temperature in a 
compartment

Low CH1

41

—

—

Unable to heat

15

AWRS only

Too cold a temperature in 
compartment

Low CH2

42

—

—

Low Bubbler Pres.

16

(not 

applicable)

Possible leak in bubble tank

Low CH3

43

—

—

Clogged Bubbler 

17

(not 

applicable)

Bubbler tube is plugged

Low CH4

44

—

—

High Level 

18

—

—

Low CH5

45

—

—

High Flow

19

—

—

Low CH6

46

—

—

High Flow Rate of 
Chg.

20

—

—

Low CH7

47

—

—

High pH/ORP

21

—

—

Low 
Reference 
Temp.

48

—

—

High Process 
Temperature

22

—

—

Low Velocity

49

—

—

High Rainfall

23

—

—

Low D.O.

50

—

—

High CH1

24

—

—

Low D.O. 
Temp.

51

—

—

High CH2

25

—

—

Low 
Conductivity

52

—

—

High CH3

26

—

—

Low Cond. 
Temp.

53

—

—

High CH4

27

—

—