AZURA Pump P 2.1L user manual

Troubleshooting
50 Troubleshooting
First measures 1. Check all cabling.
2. Check all screw fittings.
3. Check whether air has gotten into the supply lines.
4. Check device for leaks.
5. Pay attention to system messages.
Further measures 1. Install the maintenance software (service tool).
2. Save device information and send to manufacturer.
� Inform the Technical Support of the manufacturer.
Possible Problems and Rectifications
Error Solution
Device will not
turn on
When purging, the
pump switches off.
Pump does not
transport solvent
Pressure and flow
rate variations
Inspect the power cable to ensure that it
is plugged into the power supply.
Check if the ventingion screw on the
pressure transducer is turned up.
� Purge the pump head to remove the
air bubbles.
� Clean the check valves.
� Exchange the check valves.
� If the pump head seals are defective,
solvent enters the piston backflushing;
inform the technical support of
the manufacturer.
� Exchange the pump head
� Purge the pump head to remove the
air bubbles.
� Always tighten the inlet screw 1 and
outlet screw 1 on the pump head
with a torque wrench and 15 Nm.
� Clean the check valves.
� Exchange the check valves.
� Exchange the pump head.
� Inform the Technical Support of the
manufacturer.