Watson Marlow Pumps 730 S, Installation, Operating And Maintenance Manual

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Error code Error condition Suggested action
Er 3 FLASH corruption
Attempt to reset by switching power OFF/ON. Or seek
support.
Er 4 FRAM shadow error
Attempt to reset by switching power OFF/ON. Or seek
support.
Er 9 Motor stalled
Stop pump immediately. Check pumphead and tube.
Power OFF/ON may reset. Or seek support.
Er10 Tacho fault
Stop pump immediately.
Power OFF/ON may reset. Or seek support.
Er14 Speed error
Stop pump immediately.
Power OFF/ON may reset. Or seek support.
Er15 Over current
Stop pump immediately.
Power OFF/ON may reset. Or seek support.
Er16 Over voltage
Stop pump immediately. Check supply.
Power OFF/ON may reset.
Er17 Under voltage
Stop pump immediately. Check supply.
Power OFF/ON may reset.
Er20 Signal out of range
Check analog control signal range. Trim signal
as required. Or seek support.
Er21 Over signal Reduce the analog control signal.
Err50
Communication error (internal
pump communications error and
not a network error)
Attempt to reset by switching power OFF/ON.
Or seek support.
24.2 Technical support
Watson-Marlow Fluid Technology Group
Falmouth, Cornwall
TR11 4RU
UK
Contact your local Watson-Marlow representative for support.
www.wmftg.com/contact
m-730sn-en-08 121