Ohaus CD-11 Indicator Manual en - Manuel (Page 26)

26
5 CARE AND MAINTENANCE
To keep the Indicator operating properly, the housing should be kept clean and free from foreign material. If neces-
sary, a cloth dampened with a mild detergent may be used.
5.1 Troubleshooting
SYMPTOM
Unit will not turn on.
Cannot zero Indicator, or will not
zero when turned on.
Center of Zero display indicator
erratic or does not appear with no
load on scale base.
Cannot display weight in desired
weighing unit.
RS232 not working.
Unable to calibrate unit.
REMEDY
Check power cord connections.
Make sure adapter connector is
plugged all the way into the Indicator.
Check battery connector.
Check orientation of the batteries.
Replace batteries.
Check functions of membrane
switch.
Remove load on scale base to less
than entered zero %.
Change allowable zero % in ZERO
parameter of Setup menu.
Normal operation when this feature
is enabled.
Remove disturbances or reduce
motion.
Increase AZT level in readout menu.
Increase averaging level in readout
menu.
Enable desired unit in Readout
menu. See paragraph 2.7.5
Conversion to large (typically in g).
Verify communication parameters.
Check cable connections.
Check connections.
Set LCL to OFF in the LocSW menu,
and set Jump CAL on the circuit
board to short position. Refer to
paragraphs 2.3 and 2.7.7.
Use correct calibration mass.
PROBABLE CAUSE(S)
Adapter not plugged in or properly
connected.
Batteries dead or not properly
installed.
Membrane switch failure.
Load on scale base exceeds
allowable zero % entered in ZERO
parameter of Setup menu.
Retain Zero Data is enabled in
scale menu.
Scale base motion or disturbances
exceed center of zero criteria.
Desired unit not set to ON in
Readout menu.
RS232 communication parameters
set up incorrectly.
Improper or loose cable connec-
tions.
Scale base disconnected.
SETUP Lockout switch set to ON
and jump CAL on the circuit board
set to open position.
Incorrect value for calibration
mass.
CD-11 Indicator