Error code
Error condition
Suggested action
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.
23.3
Technical support
Watson-Marlow Fluid Technology Group
Falmouth, Cornwall
TR11 4RU
UK
Contact your local Watson-Marlow representative for support.
www.wmftg.com/contact
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