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6.9.2 If the steps taken in paragraph 6.9.1 do not yield satisfaction, refer
to the Troubleshooting Chart (Table 6-1). Direct all other repair and
adjustment needs to the factory.
TABLE 6-1 TROUBLESHOOTING CHART
Symptom Probable Cause Cure
1. Low intensity on
numerical display.
Batteries not fully
charged, defective or
making poor contact.
Remove battery cover
and check that batter-
ies are making good
contact. Refer to 6.5. If
good contact is made
check the voltage. If
symptom persists
replace batteries.
2. No numerical
display.
a. Batteries not
installed.
a. Remove battery
cover to ascertain
whether batteries
are present.
b. Batteries installed
incorrectly.
b. Remove batteries
and check that
polarity is correct.
c. Batteries not
making contact.
c. Ensure that good
contact is made.
Check voltage. If
symptom persists
replace batteries.
d. Batteries not
charged.
d. Recharge nicad
batteries or replace
alkaline batteries.