Nova-Tech CQT Series - Manual (Page 15)

7.0 TROUBLE SHOOTING
7.1 ERROR MESSAGES
If an error message is shown, repeat the step that caused the message. If the error
message is still shown then contact your dealer for support.
ERROR
CODE DESCRIPTION POSSIBLE CAUSES
Solutions
ADO
A/D Value too high. Weight on the pan when turning
on.
Improper calibration of the
balance.
Damaged load cell.
Damaged Electronics. Remove any weight from the
stainless steel pan.
Recalibrate.
ADL A/D Value too low. Pan is not installed when turning
on.
Calibration not correct.
Damaged load cell. Install pan and power back
on.
Recalibrate.
----- A/D count is not correct
when turning the
balance on. Load cell damaged.
Electronics damaged. Remove any weight from the
stainless steel pan and try
rebooting. Try calibrating the
balance.
Unit-E
Unit error.
Low battery indicator. Batteries may be flat. Charge the battery.
FAIL
Calibration failure. Incorrect mass used to calibrate.
The user calibration is not within
5% of factory calibration.
Possible damaged to loadcell. Try to recalibrate, check that
the weight used to calibrate
matches that of the value of
the balance.
Unstable – machine
cannot get a stable
reading. Possible damage to the Loadcell. Make sure the balance is on a
flat surface and away from
vibration.
No Power when turning
on. Battery may be flat. AC adapter
may not be working. Change the batteries. Or use
the AC adapter
15 | P a g e © Adam Equipment Company 2008