Casio FX-730P Owner's Manual page 220

Error Messages
Error code/
Cause Countermeasure
Meaning
Error 7 •When the FOR loop nesting
Nesting error (inserting a loop within a loop
with nesting form) exceeds four
levels.
/
•The CLEAR statement was used •Move the CLEAR statement
in the FOR - NEXT loop. outside the FOR - NEXT
statement.
Error 8 •When the following occurs with •Clear the password.
Protect error the password specified.
1)
Input of a different password
2)
Execution of a prohibited
command
3)
Editing of a program
4)
Loading programs with differ-
ent passwords.
5) Inputting data in the data
bank
6)
Calling data from the data
bank
Error 9 •SA VE, SA VE# or PUT command
· •Connect a tape recorder.
Option error
was executed without an
interface.
•When the signal input with the
•Reduce the playback volume
LOAD, LOAD# or GET
of the tape recorder.
command is erratic and cannot
•Set the tone control of the
be loaded.
tape recorder to middle posi-
tion.
•A printer is not connected.
•Change the cassette tape.
• Clean the head of the tape
recorder.
•When the printer is not suffi-
•Charge the printer.
ciently charged.
•Paper jammed in the printer.
•Remove the paper jammed in
the printer.
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