Amersham Biosciences AKTA design P-960, Руководство пользователя, Страница: 25 / 40

Troubleshooting
5
Pump P-960 User Manual 18-1172-73 Edition AA
25
5 Troubleshooting
5.1 Error symptoms and corrective actions
If the suggested actions do not correct the fault, contact your local
service organisation.
WARNING! LETHAL VOLTAGE. Always disconnect the power supply
before attempting to replace any item on the unit.
WARNING! HAZARDOUS CHEMICALS. Incorrectly fitted tubing
might loosen, causing a jet of liquid to spray out. This is especially
dangerous if hazardous chemicals are being used. Connect the
tubing by first inserting the tubing fully, then tightening the connector
fingertight.
CAUTION ! Only spare parts approved or supplied by Amersham
Biosciences may be used for maintaining and servicing the pump.
Error symptom Possible cause Corrective action
Leakage A tubing connector is
tightened poorly, or damaged Check all tubing connectors
for leakage. Tighten or replace
if necessary.
The pump inlet or outlet
tubings are pinched or
damaged Check the pump tubing.
Replace if necessary.
A check valve is clogged or
damaged Remove the check valve
according to section 4.6.2.
Clean the check valve in an
ultrasonic bath. If the leakage
persists, replace the check
valve.
An O-ring in a check valve or
in the connection part is
damaged Examine the O-rings. If
necessary, replace them
according to the sections 4.5
or 4.6.4.
18117273aa.book Page 25 Thursday, July 3, 2003 5:13 PM