American Weigh Scales (AWS) AL-311 User Manual
Page 16
16
AL-Series Manual
Problem:
No display after power connection.
Solution:
1. Press the ON/OFF key.
2. The fuse may be blown. Unplug the balance and replace the fuse. The fuse box is in the
socket.
Problem:
After the display test, the balance continues to display “o” in
the lower left corner.
Solution:
1. The balance is unstable. Make sure the glass doors are all shut properly.
2. Check below the weighing pan to make sure nothing is touching.
3. Strong drafts may be affecting the scale. Try a different stability range and/or filter
intensity setting. (See Section 4)
Problem:
The last decimal place rarely stabilizes
Solution:
1. The balance is unstable. Check that the glass doors are all shut properly.
2. Strong drafts may be affecting the scale. Try different stability range and filter intensity
settings. (See Section 4)
Problem:
The display continues to show zero when weighing small amounts close to zero (ie.
0.3mg-1mg for AL-201S)
Solution:
1. The Auto-zero function is turned on. Turn it off in the scale’s configuration.
(See Section 4)