© 2017 by Hettich AG
page 33
CW II-OM-rev1.0
Hettich AG
Laborapparate
phone:
+41 44 786 80 20
Seestrasse 204a
e-mail:
CH-8806 Baech
internet:
www.hettich.ch
12.6
Glass breakage
In a case of glass breakage, the pieces of glass and leaked centrifugal liquid must be carefully removed from
the centrifugal area and tube holders.
The leakage could involve infectious materials, the area must be disinfected immediately.
The drain-hole from the bowl should be blocked, a.e. with a plug, pencil rubber or with a crimped over
tissue, so that none piece of glass can fall down into the drain-hole and block the drain-outlet connector on
the rear-side of the device, fig. 7.1, pos. 8, befor starting to remove all broken pieces of glass.
Before continue to work
−
The bowl must be checked for scratches, if so a technician must replace it => call your local
distributor.
−
The rotor and its tube-holders must be checked for scratches and the rotor must be checked for
correct function, if so or you are unable to resolve that the rotor must be replaced.
13
Faults and Errors
13.1
Operator faults
Fault
Cause
Remedy
Incomplete wash cycle
−
A 24-place rotor is being used, even
though a 12-place rotor has been
set as the rotor type.
−
The filling volume is set too low.
−
The injection nozzles are blocked.
−
Check the
ROTOR:
parameter in
the system settings.
−
Check the volume (ml) and speed
from the FILL-process in the used
program.
−
Clean the injection nozzles.
Pellet does not form on
the base of used tube
−
The revolutions per minute during
the centrifugation run for the
agglutination test are too low.
−
The tube holders are left hanging in
the decantation position
−
Check the spin-process from the used
program.
−
Check the rotor functions.
−
Wrong used tube-type tube
−
Check if the used tube is the same as
during the program-validation
No pellet/pellet too
small
−
A 12-place rotor is being used, even
though a 24-place rotor has been
set as the rotor type.
−
The filling volume is set too high.
−
Wrong used tube-type tube
−
Check the
ROTOR:
parameter in
the program.
−
Check the
SALINE (ml)
parameter
in the program.
−
Check if the used tube is the same as
during the program-validation
The liquid is not
decanted.
−
The rotor mechanism is defective.
−
The revolutions per minute during
the DECANT-process are too low.
−
Check the rotor functions
−
Check the spin-process from the used
program.
13.2
Software Error Codes
Error
Code
Error Name
Description
Possible reasons
0
No error
Program was successful, no error has
occurred
1
Running
Program is still running, so far no error has
been detected (should never be visible in
history)
Motor error
10
Motor
startup error
Motor could not be started (no speed could be
detected)
•
Motor is blocked
•
Motor cable connection problem
•
Motor power supply problem
11
Motor
acceleration
error
Motor could not accelerate within tolerance
(motor was too slow)
•
Wrong rotor type selected
•
Mechanical friction too big
