Edwards nXR30i User Manual

Cause There is a leak in the system.
Remedy Do the leak test of the pump system in accordance with the requirements specied
in T
able: Performance data.
Cause The motor controller is current liming the supply
.
Remedy Adjust the inlet pr
essure/ow unl the pump performance recovers.
Cause The pump chamber is too big (nXR120i only).
Remedy Make sure that the chamber size does not exceed the limits specied in T
able:
Mechanical data.
8.1 Alarm indicator codes
When the fail condion becomes acve, the red alarm indicator shows a ashing
sequence.
▪ If the error light is on connuously, this indicates a problem has been found with
the embedded soware. In this case, switch the power supply on and o.
▪ If the indicaon is not cleared, a soware download may be required. In this case,
contact us or the supplier.
▪ If the alarm indicator is ashing, idenf y the error ash code. Refer to Table:
Flashing error codes.
Note:
There is a sucien
t o period 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 17 Flashing error codes
Error ash
posion
Error ash
sequence
Comment Acons
0 s-s-s-s-s-s Overload meout Check if the pump is not under constant high
pressure or the inlet or outlet is not blocked.
1 L-s-s-s-s-s Controller soware er-
ror
Switch the power to the pump o and on and see
whether the error code appears again. If it does,
contact us or the supplier.
2 s-L-s-s-s-s Controller failed inter-
nal conguraon and
calibraon operaon
Switch the power to the pump o and on and see
whether the error code appears again. If it does,
contact us or the supplier.
3 s-s-L-s-s-s Acceleraon meout Check if the pump is under constant high pressure
or the inlet or outlet is blocked.
4 s-s-s-L-s-s Over-current trip ac-
vated, or other hard-
ware fault
Switch power to the pump o and on and see
whether the error code appears again. If it does,
contact us or the supplier.
5 s-s-s-s-L-s Self test fault Switch the power to the pump o and on and see
whether the error code appears again. If it does,
contact us or the supplier.
05/2021 - ©Edwards Limited
Page 43A90301880_C
A90301880_C - Fault nding

Edwards nXR30i Specifications

General

Brand	Edwards
Model	nXR30i
Category	Water Pump
Language	English