Please click to expand each item for instructions. Please send in for repair if these solutions do not resolve the issue.
Issue: Calculator will not turn on after charging with the correct charger. It makes a noise when ON is pressed, however not when any of the keys are pressed.
Solution 1: Memory Clear/Reset
Turn off calculator (press 2ND key then ON)
Press and hold the A key
Reset the device using the CLEAR and ON keys
Release the A key
Put into Classic mode. Select the MODE key, then scrolling down Classic, press Enter to confirm.
Solution 2: Remove the battery for 10 minutes
Solution 3: Reinstall the software at Tech.aph.org. Follow the directions for reinstalling.
Complete User's Guide
Issue: No audio (calculator with display works)
Solution 1: Press the VOLUME UP (above display left 6 keys, it is the right middle key). Check it with headphones to see if it works that way. If it does, then the speaker isn’t working.
Solution 2: Audio component reset:
Press CTRL and SHIFT simultaneously (keys above display)
Turn unit Off (2ND key then ON)
Press ON key
*If the rechargeable battery that controls speech drops below 10% the unit will not speak.
Solution 3: Check batteries
With the unit plugged in, press PREF (above display) then down arrow to Battery Status. Check to see the percentage or Battery Not Connected.
Remove AAA batteries
Press ON to clear unit
Reinstall same batteries after 5 minutes. If there is still no audio replace the AAA batteries.
It may be necessary to repeat Solutions 1 and 2.
Issue: Calculator and display are not working.
Solution 1: Reset the calculator.
Press 2nd
Press MEMORY 1 (above Enter).
Press the DOWN ARROW to #7 Reset...
Press ENTER
ARROW DOWN to #2 Defaults
Press ENTER to confirm
Press CLEAR
Solution 2: Replace back-up battery
Located above the 4 AAA batteries is a door that requires a screwdriver. Remove cover and replace the button battery.
Complete User's Guide
Issue: Upgrade needed
Solution: Go to: http://www.perkins.org/solutions/featured-products/smart-brailler/update
Issue: Reset nonfunctional GFI (Ground Fault circuit Interrupter) outlets
Solution:
If no power is supplied to the AC device plugged into the GFI outlet on the Power Select after the preceding 7 steps are performed on either or both GFI outlets, then the Power Select unit will need to be sent in for repair.