Hach-Lange BUHLER 2000 Water sampler - Manual (Page 48)

Operation
Page 48 Manual Bühler 2000/1029
3.18.5
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VALVE SYSTEM
PRESSURE
VACUUM
*OFF
**********************
After selection with ENT, the valve system can either be moved in
the direction pressure or in the direction vacuum. By pressing the
ENT key two times running, the valve can be stopped in any
position.
Remark:
According to the selected direction, the valve
system always runs up to the limit stop, that
means it has to be stopped manually in the
desired position!!!
3.18.8
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DISTRIBUTOR MOTOR
ON
*OFF
**********************
After selection with ENT, the distributor motor can be switched on or
off.
In this menu you can check the functioning of the motor. A position
control is not possible!
3.18.11
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DISTRIBUTOR
24 x 1,0 L
BOTTLE: 1
**********************
Possibility to move the distributor on any bottle position in order to
effect a position control.
3.18.15
**********************
SELF-TEST
DISPLAY PROTOCOL
*START TEST
**********************
With this function a system check is possible.
Remark: A system check must only be carried out by
specially trained service personnel!
3.18.16
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DISPLAY EACH STEP OF
SAMPLING PROG.
*START
**********************
DISPLAY EACH STEP OF PROGRAM
You can have run a whole sampling cycle step by step to check
whether each component is functioning correctly.
After each step the program is stopped until you press ENT again.
Thus it is easy to check each single component (motor, valves, etc.)
which facilitates the fault diagnosis.
3.18.18
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MODEM DIAGNOSIS
(1-9)
**********************
With keys 1 to 9 you can send different commands for
diagnosis to the modem. For more information, see
operating manual of the modem!
3.18.19
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INPUTS
1 2 3 4 5 6 7
0 0 0 0 0 0 0
**********************
Here you can check the inputs. The input is o.k. if the selected
channel shows „1“ as long as there is a signal.