Edwards nEXT nEXT85 - Flashing Service Codes; Flashing Error Codes

8.2 Flashing service codes
When a service is necessary, the standard once per revoluon ash on the yellow status
LED is changed to a service ash code.
Table 30 Flashing service codes
Service ash
code
Comments Acons
LED on 1sec
LED o 1sec
Oil cartridge service
recommended
We recommend you to replace the oil
cartridge. Refer to Bearing and oil
cartridge maintenance on page 82.
LED on 3sec
LED o 1sec
Bearing and oil
cartridge service
recommended
We recommend you to replace the
bearing and oil cartridge. Refer to Bearing
and oil cartridge maintenance on page 82.
LED on 3sec
LED o 3sec
Pump service necessary
The turbo impeller or controller has
reached its service life. We recommend
you to return the pump to our service
centre for service. Refer to Bearing and oil
cartridge maintenance on page 82.
8.3 Flashing error codes
When a fail condion becomes acve, the red alarm lights connuously or shows a
ashing sequence.
If the error light is on connuously, this shows a problem with the embedded soware.
Restart the system. If restarng the system does not clear the fault, a soware download
is necessary. Contact us or the supplier. If the alarm LED is ashing, idenfy the error
ash code and refer to the table in Decoding system status words on page 91.
Sucient o period is there between each subsequent cycle repeon to mark the start
of a new ash sequence. The duraon of a long ash (L) is equal to 3 mes the duraon
of a short ash (0.5 s).
Table 31
Flashing error codes
Error ash
posion
Error ash
code
Comments Acons
0 ssssss
The speed decreases below 50%
of the full rotaonal speed with
the Timer disabled.
Check if the pump is too hot or if
the inlet pressure is too high.
1 Lsssss
Controller internal
soware
mismatch
Restart the system. If the error
code is not cleared, contact us or
the supplier.
2 sLssss
Controller failed internal
conguraon and calibraon
operaon
Restart the system. If the error
code is not cleared, contact us or
the supplier.
3 ssLsss
Fail to reach or hold half full speed
in the mer seng value
Check if the pump is too hot or if
the inlet pressure is too high.
Page 90
B8G000880_D - Fault nding