Elmi CM-7S Plus - 9 Troubleshooting

18
9 Troubleshooting (Error code table)
Error code
Sound
signal
Cause
Correction
-
No mains power connection.
Power failure. No display on
screen
Check connection of the power
cable
+
Internal problem
Contact local service office
+
Total imbalance of test tubes is
more than permitted
It is necessary to insert test tubes
symmetrically (on the opposite sides). Fill in
the test tubes up to the same weight. Each
test tube should be counterbalanced by
another test tube.
Refer to pages 16, 17.
+
Centrifuge is overheated
Check the air vents of device and
give a little time and centrifuge will
cool down automatically.
-
Residual rotation of the rotor due
mains power failure
Wait until the rotor is motionless; make sure
there is not power failure.
+
Centrifuge lid is left open
Close and press on the lid till you hear a
click.
+
One of control buttons (''OPEN'';
''START/STOP'') is stuck
Check the buttons for stuck. If the problem
remains, contact local service office.
Microprocessor control system self-tests and reports detected faults and errors to the user.