Table 35 - Error codes
Error
code
Error condition
Suggested action
Er 10
Tacho fault
Stop pump immediately. Power OFF / ON may reset. Or
seek support
Er 14
Speed error
Stop pump immediately. Power OFF / ON may reset. Or
seek support
Er 15
Over current
Stop pump immediately. Power OFF / ON may reset. Or
seek support
Er 16
Over voltage
Stop pump immediately. Check supply. Power OFF/ON
may reset
Er 17
Under voltage
Stop pump immediately. Check supply. Power OFF/ON
may reset
Er 20
Signal out of range
Check analog control signal range. Trim signal as required.
Or seek support
Er 21
Over signal
Reduce the analog control signal
Er 50
Communication error
Attempt to reset by switching power OFF / ON. Or seek
support
26.4
Error Indication (Remote only)
If an internal error occurs, depending on the error one of the following LED icons will be
displayed.
Table 36 - Error Indication (Remote only)
Status
4-20 mA
Running
Remote
stop
Change
pumphead
4-20 mA
signal
Error
warning
Major drive fault: return
pump to factory
On
A. Motor stalled/wrong
speed: check
process/system and
switch on/off to reset
On
Flash
B. Voltage error: switch
on/off to reset pump
Flash
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