CWT22 USER AND SERVICE MANUAL
Revision: 03/2018 Page: 15
Error Messages and Troubleshooting
Error Display
Meaning
h h h h h h
Overload
Weight on pan exceeds maximum
capacity
L L L L L L
Weight is too low
Weight is too low at the negative
- - - - - -
Price is out of range
Total price exceeds 999999
E r r n
Weight unstable
Vibration or varying load on the pan
during switch-on
E r r H
Initial zero too high
Scale turned on with weight > 10% of
maximum capacity already on the pan
E r r L
Initial zero too low
Scale turned on with upward force >
10% of maximum capacity acting on
the pan
Battery symbol
visible
Battery voltage is lower
than 5.6 V
Battery neds charging. Connect to
main adaptor. Press
【
T
】
and
【
6
】
together to view battery
voltage. Press
【
CE
】
to return to
weighing mode
Battery symbol
flashing
Battery voltage is lower
than 5.5 V
Battery needs charging. Connect to
main adaptor
Scale
automatically
shuts off
Battery voltage is lower
than 5.4 V
Battery needs charging. Connect
main adaptor
Table: List of UF, ECF, and LF
Function
Description
UF1
Display A/D count, Battery Voltage
UF2
High / Low limits setting
UF3
Auto-power off
UF4
Backlight setting
UF5
HOLD function
UF6
RS-232 Output
UF7
Speed setting
UF8
Zero tracking
UF9
Gravity Adjustment
ECF1
Zero and Span Calibration
ECF2
Zero Calibration
ECF3
Span Calibration
LF1
Weight Calibration
LF2
Parameter Setting
LF3
Linearity Calibration
LF4
A/D Converting Speed
