Sigma 1-14, Operating Manual

Page: 32 / 59

1-14K
Malfunctions and Error Correction
32 Version 05/2010, Rev. 1.8 of 01/09/2011- sb
Translation of the original operating manual
7 Malfunctions and Error Correction
7.1 General Malfunctions
Malfunctions are indicated by error messages with a number in the
speed display.
In the event of a fatal error (e.g. a defective lid lock), a certain safety
time will be counted down on the display. During this time, “ERR” and
“SAFE” flash alternately on the display. When the time is up, "OFF"
will be displayed.
Do not switch the centrifuge off until “OFF” is displayed.
This is necessary in order to ensure that the rotor is at a complete
standstill.
•
Eliminate the source of the problem (see tables in fig. 7.1 and 7.3).
•
Acknowledge the error messages with the lid key.
Type of error Possible reason Correction
No power in the mains supply Check fuse in the mains supply
Power cord is not plugged in Plug in power cord correctly
Mains power switch off Switch mains power switch on
No indication on the display
Lid is not closed correctly Close lid.
Several Power off/on. If the error occurs
again, contact service Centrifuge cannot be started:
The set speed value is
displayed in an unchanged
manner
The lid lock is not closed
correctly Open and close lid. If the error
occurs again, contact service
Centrifuge decelerates during
operation and displays an error
from 1 to 18 after powering on Several Power off/on. If the error occurs
again, contact service
Centrifuge decelerates during
operation and displays error 19
after powering on Several Quit by pressing the lid key
Temperature value cannot be
reached Condenserirty Contact service
Fig. 7.1: Possible error causes