Beckman Coulter Avanti J-20 XP Instruction Manual page 57

Diagnostic
Message
IMBAL Rotor load is imbalanced
(imbalance)
ROTOR System-identified rotor does not
match user-selected rotor; set
speed below rotor maximum
System-identified rotor does not
match user-set rotor; set speed
above rotor maximum
System cannot identify rotor
(rotor ID system malfunction)
No rotor in chamber
SPEED Speed control system is
malfunctioning
DOOR Door is not latched properly or
interlock is out of position
Door stays locked after rotor
stops spinning
Door latches do not close and
lock
Table 4-1. Diagnostic Message Chart (continued)
Problem
Run shuts down with
maximum brake
Run continues
System lowers run speed
to the maximum of the
rotor identified by system
Run shuts down with
maximum brake
Run starts; within seconds
the system determines
that no rotor is installed
and the run shuts down
with maximum brake
Rotor spinning above set
speed; run shuts down
with maximum brake.
DOOR LED lights after
•UV7TV—
system shuts down.
Sample cannot be
retrieved
Run cannot start
Result
• Make sure that the tubes are
loaded symmetrically in the
rotor.
• With swinging bucket rotors,
lubricate the buckets
according to the rotor manual
instructions. Unlubricated
pivot pins can prevent the
buckets from reaching
horizontal position, which
can cause imbalance.
Press
flashing.
Press
flashing.
Check rotor and restart run.
Install rotor and restart run.
Call Beckman Coulter Field
Service.
Open the door and close it
is pressed and firmly; press
from flashing. Restart the run.
Restart the centrifuge and
perform a brief run. If door will
still not open after deceleration,
call Beckman Coulter Field
Service.
Check the latch hole (at left of
door) for debris. Gently clean
the area with a lintless cloth or
tissue. Be careful not to damage
sensitive electronics in the area.
Troubleshooting
Recommended Action
•9HA7T—
to stop LED from
•9HA7T—
to stop LED from
•9HA7T—
to stop LED
Continued —
4-3