OHAUS AV114C, Service Manual, Page: 19 / 108

2-3
CHAPTER 2 DIAGNOSIS
SYMPTOM
Balance will not turn on
with new batteries installed.
PROBABLE CAUSE
Incorrect battery installa-
tion.
Wiring harness defective
or battery clips connec-
tion broken.
On/Zero Off switch defec-
tive or actuating fingers
on top housing defective.
Main PC Board is defec-
tive.
REMEDY
Check position of batteries.
Refer to section 3.1.1 and open the bal-
ance. Leave the cable connected to the
top housing.
Check dc voltage at the battery box con-
nector. Voltage should read approximately
6 Volts dc. If voltage is not present at the
connector, examine battery connectors for
corrosion and wiring harness for breaks.
Clean any corrosion on the battery con-
nectors. Repair breaks to wiring harness.
If OK, proceed.
See Table 2-3.
If the scale fails to turn on, the Main PC
Board is defective and should be replaced.
-> Repair Procedures 3.1.3.
TABLE 2-2 BALANCE WILL NOT TURN ON USING BATTERIES. (See Note)
NOTE: Battery operation is included only on certain models, refer to specification Tables 1-3 and
1-4 for listing of models.