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General Difficulties
The information in this section may be useful if your
calculator doesnotfunction properly. If the suggested
solution does not correct the problem, refer to "Service
Information" on page B-10.
Difficulty
Suggested Solution
An error message
Refer to the list of error messages beginning
appears in thedisplay.
on page B-4. If asolution is not found:
a. Use the HELPfunction. See ''Using the
HELPFunction"' in Chapter1.
b. Press
toclear thecalculator. See
"Clearing the Calculator' in Chapter 2.
c. Turn thecalculatoroff and back on. See
"Turning the Calculator On and Off"' in
Chapter 1.
Theentire display
a. Adjustthe contrast control.
is blank when you
turn the calculator on.
b. Checkfor correctinstallation of batteries.
c¢. Checkbattery condition.
Information in the
a. Press [ON]. The Automatic Power Down
display disappears.
feature may have turnedthe calculator
off.
b. Checkbattery condition.
Informationis displayed,
Check RUNindicator. (Program maybe in
butcalculator does not
progress.) Press
or
.
respondto keystrokes.
Calculatorwill not go
a. Cancel alpha mode, ifactive.
into learn mode.
b. Checkfor program size of zero.
Calculations produce
a. Checkfor display rounding caused by
unexpectedresults,
the current decimalfix setting.
b. C
k for HEX or OCT mode (using the
key).
c. Referto ''Accuracy Information'' on page
A-8.
B-2
InCaseofDifficulty
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