Error Light Observed On Power Pack; Leakage From Kobra® Cell; Kobra® Cell Causing High Pressure On The Hplc; Storage Plug Broken Off Or Lodged In Kobra® Cell - R-Biopharm KOBRA CELL Instruction Manual

Error Light Observed on
7.4
Power Pack
• The LED will light up if there is no KOBRA® CELL
attached to the current source.
• The LED will also light up when the KOBRA® CELL
is dry as the flow of the current source is inhibited.
• Check the red and black terminal leads are
connected to the KOBRA® CELL correctly.
• Check the KOBRA® CELL has mobile phase running
through it. It is important to keep liquid in the
KOBRA® CELL at all times in order for it to function.
It is advised to run mobile phase through the
KOBRA® CELL for at least 30 minutes prior to
injection of the standards or samples.
• Check the power pack. If a connection or
component of the power pack is faulty the power
pack should be replaced.
Leakage from KOBRA® CELL
7.5
• The locating screws on the KOBRA® CELL have not
been tightened correctly. Please refer to 3.2,
Precautions When Assembling.
• Check the locating screws on the KOBRA® CELL
have not been over tightened causing damage to
the threads. Once the threads are damaged a new
white plastic housing is
• Check the PEEK tubing is not blocked or
TM
distorted. Replace if required.
KOBRA CELL Causing High
®
7.6
Pressure on the HPLC
• Check the PEEK tubing is not blocked or
TM
distorted. Replace if required.
• Check the inlet and outlet connections that the
PEEK tubing is inserted into. If they are blocked
TM
they can be unscrewed and sonicated.
• Check the internal components in the
KOBRA® CELL have been inserted in the correct
orientation. Reassemble if required (Fig. 1 and 2).
Storage Plug Broken Off or
7.7
Lodged in KOBRA
• Return to R-Biopharm Rhône for repair.
21
required.
CELL
®