Flashing Inactivity Service Codes (Blue Bearing Led) - Edwards nEXT730D Instruction Manual

Error flash Error flash
position code
1 Lsssss
2 sLssss
3 ssLsss
4 sssLss
5 ssssLs
6 sssssL
Note:
The alarm LED error flash sequence is capable of signaling multiple fail conditions. For
example, error flash code sLssLs signifies both error 2 (controller failed internal
configuration and calibration operation) and error 5 (pump internal measurement
system disconnected or damaged).

11.4 Flashing inactivity service codes (blue bearing LED)

Whenever an inactivity service is required the blue bearing LED will show a flashing
sequence as detailed in the table below.
Table 29 Flashing inactivity service codes
Inactivity service flash
code
LED on 0.25s
LED off 0.75s
LED on 0.25s
LED off 0.25s
B8J200880_D
300812671_002_C3
B8J200880_D - Fault finding
Comments
Controller internal software mis-
match.
Controller failed internal configu-
ration and calibration operation.
Failure to reach or maintain half
full speed within the timer setting
value.
Overspeed or overcurrent trip acti-
vated, or other hardware fault.
Pump internal measurement sys-
tem disconnected or damaged.
Serial enable becomes inactive fol-
lowing a Serial Start command.
Comments
Bearing conditioning
recommended
Bearing service recom-
mended
Page 101
Actions
Cycle the power to the pump and
see whether the error code ap-
pears again. If it does, contact us
or the supplier.
Cycle the power to the pump and
see whether the error code ap-
pears again. If it does, contact us
or the supplier
Check whether the pump is too
hot or whether the inlet pressure
is too high.
Cycle the power to the pump and
see whether the error code ap-
pears again. If it does, contact us
or the supplier.
Cycle the power to the pump and
see whether the error code ap-
pears again. If it does,contact us or
the supplier.
Re‑activate Serial Enable and send
a Serial Stop command to clear
the error code.
Actions
The pump has been stored or has not been run
for more than a year. It is recommended that the
bearing conditioning is performed.
The pump has been stored or has not been run
for more than 3 years. It is recommended that
the bearing is replaced.
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