Nova-Tech PGL Series - Manual (Page 29)

10.0 BATTERY OPERATION
The scale may operate from a built in lead acid battery. During operation with the
battery the backlight should be disabled for best battery life. Typical battery life 20
hours.
If possible disable the backlight automatically if the external power supply is not
turned on.
11.0 ERROR CHECKING
During weighing the balance is constantly checking to see if the balance is operating
within the limited parameters. The errors likely to occur are:
A/D counts below lowest allowed value
A/D counts above highest allowed value
A/D not operating
Maximum capacity exceeded
Other errors may be detected during special functions or operations. These will be
described in the section that applies.
Error messages and the reasons are:
Concerning calibration
ERROR StAb
Calibration could not be completed
because the results were not stable
ERROR LOW or ERROR HIGH Calibration constant not within 20% of old calibration
constant
Concerning weighing
ERROR LOW
Weight display is below zero by >4%max
ERROR HIGH Weight is above maximum plus 90d
ERROR ZERO Weight on pan exceeds zero limit when power is
applied.
29 | P a g e © Adam Equipment Company 2008