Heidolph 036150010, Operating Instructions Manual, Page: 71 / 102

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Troubleshooting
Troubleshooting
Troubleshooting
Fault Possible cause, remedy
Device does not turn on
Indicators remain off after switching
on the device
➜ Power supply failure: Check the power
supply connector
➜ Device fuse defective: Contact technical
service
➜ Control/drive/LED defective: Contact
technical service
Tube movement ➜ Tube not properly clamped
Pump does not deliver when rotation
is switched on
➜ Inappropriate tube: Use tube with
adequate wall thickness
➜ No rotation movement, coupling does not
engage: Make sure that the pump head
is in contact with the pump housing
➜ Tube guide system not closed (SP quick
pump head only): Close the tube guide
system
➜ Tube setting wrong (Hei-FLOW Ultimate
only): Verify tube setting
➜ Overheat protection triggered: After
a few minutes and when a certain
temperature level is reached, the pump
switches on again
Rotation indicator flashes (Hei-FLOW
Expert and Ultimate)
➜ Power restored after power failure,
restart rotation
Display
[----]
(Hei-FLOW Ultimate)
➜ Invalid values when calibrating the
dosing volume: Correct values according
to table