2-5
CHAPTER 2 DIAGNOSIS
SYMPTOM
Balance can be turned on
but will not calibrate manu-
ally.
PROBABLE CAUSE
Incorrect weights.
Balance is set for legal
for trade operation.
(AV Models only)
Load cell assembly stops
out of adjustment (strain
gauge only).
Load Cell assembly de-
fective.
REMEDY
Verify that proper weights are used.
Check that LFT lock switch is set to un-
locked position.
Set the Setup Menu Legal for Trade set-
ting to Off.
Set the Lockout Menu CAL to Off position.
Calibrate the balance using procedure in
Appendix A Calibration, perform both Lin-
earity and Span calibrations.
If the balance fails to calibrate properly,
enter the service mode Appendix B and
perform a Linearity and Span calibration
again. If this fails either the load cell is
defective and will require replacement or
the load cell adjustment stops have loos-
ened and have to be reset.
Perform ->Repair Procedures 3.1.1or
3.2.1 and open the balance.
Remove the cover from the load cell.
Check the up-down stops in accordance
with section 4.4 and refer to table 4-5.
Measure the gap settings, if OK, the load
cell is defective. Perform ->Repair Proce-
dures 3.1.5 or 3.2.5
If the up stop and down stop adjustments
were set incorrectly, perform procedures
in section 4.2.1 or 4.3.1 and reassemble
and calibrate the balance. if the balance
fails to calibrate, the load cell is defective.
Perform ->Repair Procedures 3.1.5 or
3.2.5
TABLE 2-5 BALANCE CANNOT CALIBRATE MANUALLY
Содержание AV114C
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