!If the calculator won’t turn on:

1.Attempt to reset the calculator (see page 228).

2.If the calculator fails to respond after step 1, replace the batteries (see page 225). If you have just replaced the batteries, see page 227.

If these steps do not help, the calculator requires service.

!If the calculator doesn’t respond to keystrokes:

1.Attempt to reset the calculator (see page 228).

2.If the calculator still fails to respond, attempt to erase Continuous Memory (see page 230). This will erase all the information you’ve stored.

If these steps do not help, the calculator requires service.

!If the calculator responds to keystrokes but you suspect that it is malfunctioning:

1.Do the self-test (described below). If the calculator fails the self test, it requires service.

2.If the calculator passes the self-test, it is quite likely you’ve made a mistake in operating the calculator. Try rereading portions of the manual, and check “Answers to Common Questions” on page 222.

3.Contact the Calculator Support department.

Confirming Calculator Operation:

Self-Test

If the display can be turned on, but it appears that the calculator is not operating properly, you can do a diagnostic self-test. The self-test runs continuously, repeating until you halt it.

To run the self-test:

1.Turn the calculator on.

2.If you have the optional infrared printer, turn it on. Certain diagnostic

232 A: Assistance, Batteries, Memory, and Service

File name : 17BII-Plus-Manual-E-PRINT-030709

Print data : 2003/7/11