Hach SD900, Руководство пользователя

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Table 4 General troubleshooting (continued)
Problem Possible cause Solution
The battery life is short Insufficient voltage. Make sure that the lead-acid battery holds
12.6 V to 13.4 V when fully charged. Replace
the battery if necessary.
Battery power drains quickly. Charge the battery fully and let the battery
stand for 1 hour. If the voltage decreases
below 12.5 V, replace the battery.
Incorrect sampler base
configuration. Select the correct portable base. Refer to
Configure the system settings on page 17.
Sampler does not have
sufficient lift. Strainer is not completely
submerged. Install the shallow depth strainer. Refer to
Accessories on page 44.
Intake tube has a leak. Replace the intake tube.
Pump tube is worn. Replace the pump tube.
Pump roller assembly is worn. Contact technical support.
Sample volume is not correct. Incorrect volume calibration. Repeat the volume calibration.
Incorrect tube length is specified
in the sampler program. Make sure that the correct tube length is in
the sampler program.
Intake tube does not purge
completely. Make sure that the intake tube is as vertical
and as short as possible.
Strainer is not completely
submerged. Install the shallow depth strainer. Refer to
Accessories on page 44.
Worn pump tubing and/or roller
assembly. Replace the pump tube and/or roller
assembly.
The liquid sensor is disabled. Turn the liquid sensor on and complete a
volume calibration.
Liquid sensor does not operate
properly. Calibrate the liquid sensor with the same
liquid that is sampled.
Error messages
Table 5 shows the possible error messages.
Table 5 Error messages
Message Description Solution
ERROR
WRONG RANGE The value that was entered is outside of
the acceptable range. Enter a number that is within the
range on the bottom of the screen.
BOTTLE NUMBER
OUTPUT DISABLED
ON PIN F When program complete output is
enabled, the bottle number output on
the auxiliary port is disabled. To change to bottle number output,
disable the program complete output.
NOT ALLOWED
CANNOT ENABLE SETPOINT
SAMPLING AND STORM
WATER Setpoint and stormwater sampling
cannot be enabled at the same time. Enable the correct option.
NOT PERMITTED
END THE PROGRAM FIRST
TO ACCESS THIS FEATURE The menu is not accessible during a
sampling program. Select End Program or Cancel to
continue the program.
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