BS Series Multitest Analyzer
Cuvettes are dirty (need to wash);
There is air bubble in Cuvettes (need to wash);
Pipette is connected wrongly, leaks or blocked;
Peristalsis pump hitch;
Filter is aging or damaged;
Instrument bulb burned out.
6.1.2 Malfunction phenomenon: Wrong result or bad repetition
Possible causations: There is air bubble in Cuvettes (need to wash); Peristalsis pump pipe is
not installed properly or leaks; Aspiration is abnormal, need to recalibrate the pump; Voltage is
not stable, need to connect regulated power; whether the sample is hemolytic or whether the
reagent is invalid.
6.1.3 The instrument does not work
Cause: Fuse burn-out or behind power interface is poor connected.
Maintenance: Replace the fuse, check the interface.
6.1.4 Screen definition changes
Cause: Due to the local ac voltage is different; Led display voltage is not the same, but in
general all in the visible range
Maintenance: Open the instrument, find the cable of main board connecting with the display,
you can see a blue 203 potentiometer; adjust the potentiometer to change the definition.
6.1.5 Printer keeps walking
Cause: The cable of printer head connecting with control panel is loose.
Maintenance: the cable of printer head connecting with control panel is white, open the
instrument, take off the printer head, and compress the interface.
Attention: Be careful about the white cable and the printer head cable do not drag too hard.
6.1.6 Heating time is long
Cause:
a) Effect of ambient temperature (Especially in winter), increase indoor environment
temperature, keep the environment temperature to 10℃～30℃;
b) The heating voltage is insufficient could lead to a longer heating time. Please open the
instrument, use the digital multimeter to test the voltage of incubator heating rod, if there is no
voltage, and replace the heating rod.
Maintenance: Against the possible reasons check and maintenance individually.
6.1.7 Testing time slightly long
Cause: Plasma (serum) and reagent do not have enough incubate time. Or Instrument needs
calibration again.
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