Malvern Zetasizer Nano Series, Self Installation And Quick Start Manual

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6. Checking the system 

7. In case of failure

If the light is not green, use this table to try and solve the problem. If the status light still does not turn 
green after this, contact the local Malvern representative.     

The status light 

 turns green if the system has been 

connected up correctly. If it is green proceed to Part 2.

If it is not green, use the table below to troubleshoot the 
problem.

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Light appearance

Action to take

Light not illuminated

This shows there is no power. Check that:

„

 The power lead is connected.

„

 The instrument is switched on.

If the above suggestions do not help, replace the fuses as shown in the 

Essentials Manual

 (this is a task for the supervisor, not operators).

Amber light

If there is no "system not responding" message on the computer screen:

„

Check that the software is running.

„

Check that you have logged on.

If there is a "system not responding" message on the computer screen:

„

Check that the lead between computer and instrument is connected. 
Reconnect it and click 

OK

 on the screen; this should make the status light 

green.

„

Check that the computer USB port is set up correctly; refer to the 
computer’s documentation or online help.

Red light

This indicates an internal error with the system. Contact the local Malvern 
representative. 

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