HP 32SII - Manual (Page 302)

A–4 Support, Batteries, and Service
File name 32sii-Manual-E-0424
Printed Date : 2003/4/24 Size : 17.7 x 25.2 cm
Testing Calculator Operation
Use the following guidelines to determine if the calculator is working properly.
Test the calculator after every step to see if its operation has been restored. If
your calculator requires service, refer to page A–7.
The calculator won't turn on (steps 1–4) or doesn't
respond when you press the keys (steps 1–3):
1. Reset the calculator. Hold down the † key and press - . It may be
necessary to repeat these reset keystrokes several times.
2. Erase memory. Press and hold down † , then press and hold down
both < and 6 , Memory is cleared and the  & 
message is displayed when you release all three keys.
3. Remove the batteries (see "Changing the Batteries") and lightly press
a coin against both battery contacts in the calculator. Replace the
batteries and turn on the calculator. It should display
 &
 .
4. Install new batteries (see "Changing the Batteries").
If these steps fail to restore calculator operation, it requires service.
If the calculator responds to keystrokes but you suspect
that it is malfunctioning:
1. Do the self–test described in the next section. If the calculator fails the
self test, it requires service.
2. If the calculator passes the self–test, you may have made a mistake
operating the calculator. Reread portions of the manual and check
"Answers to Common Questions" (page A–1).
3. Contact the Calculator Support Department. The address and phone
number are listed on the inside back cover.