7 troubleshooting, 1 general errors, Troubleshooting 7.1 – Eppendorf Concentrator plus (New Design) User Manual
Page 37: General errors, Operating manual
37
Concentrator plus/Vacufuge® plus — Operating manual
7
Troubleshooting
7
Troubleshooting
If the suggested measures fail repeatedly, please contact Technical Service. You can find the
contact addresses at the end of this operating manual or on the Internet under
www.eppendorf.com.
7.1
General errors
Symptom / message
Cause
Remedy
No display.
No mains connection.
Check the mains connection.
No display.
Power failure.
Check the mains fuse for the device
(see Replacing fuses on p. 36).
Check the mains fuse for the laboratory.
Lid of the device cannot
be opened.
Rotor is still running.
Wait for rotor to stop.
Lid of the device cannot
be opened.
Power failure.
1. Check the mains fuse for the device
(see Replacing fuses on p. 36).
2. Check the mains fuse for the laboratory.
3. Activate the emergency lid release
Device cannot be started. Lid of the device is not closed.
Close the lid of the device.
Device shakes when it
starts up.
Rotor is unsymmetrically loaded.
1. Stop the device and load symmetrically.
2. Restart the device.
No noticeable
evaporation.
Damaged sealing ring in the lid of the device.
Insert new sealing ring (see Other
accessories on p. 44).
Pump does not start up.
Pump is overloaded.
Thermo switch in the motor winding of the
pump triggered.
Let the pump cool down.
Pump does not start up.
Overpressure in the exhaust gas line.
Open the exhaust gas line.
No output.
Long, thin hoses.
Select short hoses with a large
cross-section.
No output.
Condensation in the pump.
Let pump run for a few minutes and press
the mode/vent key several times.
Temperature value
flashes.
Deviation from set value by ± 5 °C.
Let the remaining heat from the previous
run cool down.
Reduce the excessive ambient
temperature, if applicable.
Temperature value
flashes fast.
Deviation from set value by + 10 °C.
Switch off the external heat radiators (e.g.
halogen lamp).
Liquid collects in the
hoses.
Activate the ventilation function.
Check the fall of the hoses.
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