Error ash
position
Error ash
sequence
Comment Actions
2 s-L-s-s-s-s Controller failed internal
conguration and
calibration operation
Switch the power to the pump off and on and see
whether the error code appears again. If it does,
contact us or the supplier.
3 s-s-L-s-s-s Acceleration timeout Check if the pump is under constant high pressure or
the inlet or outlet is blocked.
4 s-s-s-L-s-s Over-current trip
activated, or other
hardware fault
Switch power to the pump off and on and see whether
the error code appears again. If it does, contact us or
the supplier.
5 s-s-s-s-L-s Self test fault Switch the power to the pump off and on and see
whether the error code appears again. If it does,
contact us or the supplier.
6 s-s-s-s-s-L Serial control mode
interlock
Re-activate the serial enable and send a serial
command to clear the error code.
53
300902516_002 - 10/2020 - © Leybold
Fault nding
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