Edwards nEXT730D User Manual

Error ash
posion
Error ash
code
Commen
ts Acons
1 Lsssss
Controller internal soware mis-
match.
Cycle the power to the pump and
see whether the error code ap-
pears again. If it does, contact us
or the supplier.
2 sLssss
Controller failed internal congu-
raon and calibraon operaon.
Cycle the power to the pump and
see whether the error code ap-
pears again. If it does, contact us
or the supplier
3 ssLsss
Failure to reach or maintain half
full speed within the mer seng
value.
Check whether the pump is too
hot or whether the inlet pressure
is too high.
4 sssLss
Overspeed or overcurrent trip ac-
vated, or other hardware fault.
Cycle the power to the pump and
see whether the error code ap-
pears again. If it does, contact us
or the supplier.
5 ssssLs
Pump internal measurement sys-
tem disc
onnected or damaged.
Cycle the power to the pump and
see whether the error code ap-
pears again. If it does,contact us or
the supplier.
6 sssssL
Serial enable becomes inacve f
ol-
lowing a Serial Start command.
Re‑acvate Serial Enable and send
a Serial St
op command to clear
the error code.
Note:
The alarm LED error ash sequence is c
apable of signaling mulple fail condions. For
example, error ash code sLssLs signies both error 2 (controller failed internal
conguraon and calibraon operaon) and error 5 (pump internal measurement
system disconnected or damaged).
11.4 Flashing inacvity service codes (blue bearing LED)
Whenever an inacvity service is required the blue bearing LED will show a ashing
sequence as detailed in the table below.
Table 29
Flashing inacvity service codes
Inacvity service ash
code
Comments Acons
LED on 0.25s
LED o 0.75s
Bearing condioning
recommended
The pump has been stored or has not been run
for more than a year. It is recommended that the
bearing condioning is performed.
LED on 0.25s
LED o 0.25s
Bearing service recom-
mended
The pump has been stored or has not been run
for more than 3 years. It is recommended that
the bearing is replaced.
08/2021 - ©Edwards Limited
Page 101B8J200880_D
300812671_002_C3
B8J200880_D - Fault nding

Edwards nEXT730D Specifications

General

Brand	Edwards
Model	nEXT730D
Category	Water Pump
Language	English