© Edwards Limited 2017. All rights reserved.  Page 35
Edwards and the Edwards logo are trademarks of Edwards Limited.
Maintenance
A735-01-880 Issue C
Table 15 - Flashing error codes
Error flash 
position
Error flash 
sequence
Comment Actions
0 ssssss Overload timeout. Check whether the pump is not 
running under constant high pressure 
or the inlet or outlet is not blocked.
1 Lsssss Controller software error. Cycle the power to the pump and see 
whether the error code appears again. 
If it does, contact the supplier or 
Edwards.
2 sLssss Controller failed internal 
configuration and calibration 
operation.
Cycle the power to the pump and see 
whether the error code appears again. 
If it does, contact the supplier or 
Edwards.
3 ssLsss Acceleration timeout. Check whether the pump is not 
running under constant high pressure 
or the inlet or outlet is not blocked.
4 sssLss Over-current trip activated, or other 
hardware fault.
Cycle the power to the pump and see 
whether the error code appears again. 
If it does, contact the supplier or 
Edwards.
5 ssssLs Self test fault. Cycle the power to the pump and see 
whether the error code appears again. 
If it does, contact the supplier or 
Edwards.
6 sssssL Serial Control Mode Interlock. Re-activate serial enable and send a 
serial command to clear the error 
code.