Eppendorf Top Buret M / H - Manual (Page 31)

31
Troubleshooting
Top Buret ™
English (EN)
7 Troubleshooting
7.1 Troubleshooting
Symptom/message Cause Remedy
• Air is aspirated.
• The titrated liquid
contains air bubbles.
• The device was not
sufficiently deaired.
 Deair the device 
(see p. 23).
• The telescopic
aspirating tube has
not been mounted
completely.
 Slide the telescopic
aspirating tube firmly onto
the connection opening 
(see p. 18).
• The telescopic
aspirating tube is
damaged.
 Shorten the telescopic
aspirating tube or replace
it.(see p. 18).
• The telescopic
aspirating tube does
not immerse into the
liquid.
 Lengthen the telescopic
aspirating tube until it is
immersed in the liquid 
(see p. 18).
• The connection
opening is damaged.
 Send in the device for repair.
Liquid is not aspirated. • The connection
opening is clogged.
 Clean the device 
(see p. 32).
The titration volume is
too small. • The telescopic
aspirating tube has
not been mounted
completely.
 Slide the telescopic
aspirating tube firmly onto
the connection opening (see
p. 18).
• The telescopic
aspirating tube is
damaged.
 Shorten the telescopic
aspirating tube or replace it
(see p. 18).
• The device is
incorrectly adjusted.
 Set the device to the factory
adjustment (see p. 30).
• The connection
opening is damaged.
 Send in the device for repair.
The display shows the
symbol.
• The batteries are flat.  Replace the batteries.