RR Mechatronics STARRSED RS, User Manual

Page: 145 / 259

15.1.4 - Liquid level sensor not sensing
1. Liquid in the container is not detected. This occurs sometimes with the
De-ionized water
bottle and is
caused by a very low conductivity.
2. Add one or two drops of
Saline
to the
De-ionized water
to increase the conductivity.
15.1.5 - Sample probe is not washed after aspiration
1. Check pick-up tube in saline bottle or cubitainer.
▪ It may have become detached from the tube connector.
▪ Loosen the cap of the saline bottle or cubitainer in order to inspect.
2. Check the saline peristaltic pump tube condition.
▪ It may be worn or leak. (See Level 4 maintenance).
▪ An incorrectly fitted saline peristaltic pump tube may cause the same problem.
▪ One of the tubes carrying saline may be blocked or bent.
15.1.6 - Saline dripping from the needle assembly
If Saline drips from the needle assembly, check the following:
1. Does the vacuum pump work?
▪ Check the vacuum pressure by using the option
Check flow sensor
in menu Check sensors .
2. Sample probe may be blocked.
3. Fill nozzle may be blocked.
4. Waste line from the fill nozzle may be blocked.
5. Outer needle may be blocked.
6. Pinch valve not working or blocked.
▪ Replace pinch valve tube, only allowed for a trained technician .
7. Pinch valve tube sticks
▪ Roll tube until it is not sticking anymore.
15.1.7 - Pipettes not dry after washing and drying cycle
If pipettes are not dried after the rinse cycle, the following items need to be checked.
Troubleshooting
MRN-071-2-EN version 7.02 Starrsed RS
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