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Thermo Fisher Scientific

No information appears on display


Autosampler display is showing no information. 


UltiMate™ 3000 Autosampler Series:

  • WPS-3000(T)SL Analytical
  • WPS-3000(T)SL Semi-prep 
  • WPS-3000TBSL Analytical 
  • WPS-3000(T)RS 
  • WPS-3000TBRS 
  • WPS-3000TXRS


Test Result Possible Cause

Remedial Action

No information appears on the autosampler display

The autosampler is not connected to the mains.

The power is turned off.

The autosampler is in standby mode. 

The brightness or contrast is not adjusted correctly.

The fuses blow. 

Replacement fuse blows immediately. 

An error occurred in the electronic system. 

Connect the power cord.

Turn on the power.

Press the Standby key on the front panel. 

Adjust the brightness and contrast.

Replace the fuses. 

Contact Service.

Contact Service.