Beckman Coulter Avanti J-26 XP Series, Instructions For Use Manual

Page: 58 / 76

J326XP-IM-5AB 4-4
Troubleshooting
User Messages
POWER Momentary power
failure; rotor does not
come to a complete
stop Run continues when
power resumes;
elapsed time
continues counting
from current value Press CLEAR to stop LED from
flashing.
Power failure; rotor
comes to a complete
stop Run restarts when
power resumes;
elapsed time starts
counting from 0 Press CLEAR to stop LED from
flashing.
DRIVE Drive system
malfunctioning (for
example, over current,
over/under voltage,
components over
temperature) Run stops, usually
with no brake. Door
may not unlock for up
to an hour. Call Beckman Coulter Field
Service. Before trying to open
the door, listen carefully and
make sure that no sound is
coming from the chamber
(indicating a spinning rotor).
Follow the directions under
Accessing the Rotor in Case
of Power Failure
, below.
REFR
(refrigeration
system)
Refrigeration system
malfunctioning Run shuts down with
maximum brake Call Beckman Coulter Field
Service.
TEMP The refrigeration
system is not cooling
and the chamber
temperature has
exceeded 50°C. Run shuts down with
maximum brake Call Beckman Coulter Field
Service.
— During low-
temperature runs (near
–10°C), ice forms
around the door
opening Door will not open at
the end of a run Press firmly in several
locations around the door
opening, then depress the
foot pedal again.
To minimize icing, wipe
moisture from the chamber,
the chamber gasket and the
inner door surface before
each run. Keep the door
closed as much as possible.
a. In the United States, call 1-800-742-2345. Outside the U.S., contact your local Beckman Coulter office.
Table 4.1 Diagnostic Message Chart (Continued)
Diagnostic Message Problem Result Recommendation