DuraMax™ Tablet 8.4 - Grayhill, Inc.

Troubleshooting Guide
Tablet does not turn on.
Problem Cause Solution
DuraMax Tablet 8.4 Product Guide v2.01
Battery not charged. Charge or replace battery (see page 7 or page 9).
Voltage dropped below a threshold,
below which it does not function.
Recharge or replace battery (see page 7 or page 9).
Battery incorrectly installed. Ensure battery is properly installed (see page 9).
Tablet is unresponsive. System crashed. Press Power >5 seconds to perform hard reset.
Tablet is still unresponsive after hard
reset has been performed.
Tablet turns itself off. Voltage dropped below threshold,
causing Tablet to shut down.
Tablet does not turn on using
replacement battery.
Rechargeable battery does not
charge.
System crashed. Recycle power to all onboard devices including monitor chip:
1) Remove AC adapter. 2) Remove battery for 10 minutes.
3) Reinstall battery and AC adapter. 4) Press Power briefly.
Recharge or replace battery (see page 7 or page 9) before
pressing Power briefly to use Tablet again.
Battery incorrectly installed. Ensure battery is properly installed (see page 9).
Replacement battery was in storage
more than a year.
Power supply was removed before
battery was recharged.
Battery and ambient temperatures too
high for Tablet to recharge.
Ambient temperature too low to
recharge Tablet.
Recharge or replace battery (see page 7 or page 9).
Consider recharging additional spare batteries to about halfpower.
Reconnect to power supply and allow battery to go through
full charging cycle (2 hours for 80% charge, 5 hours for
100% charge).
Move to a cooler spot - such as an air-conditioned room -
and recharge battery. See page 7 for temperature
information.
Move to a warmer spot – such as a heated room - and
recharge battery. See page 7 for temperature information.
Battery has to be recharged too often. Battery capacity has faded. Replace battery (see page 9).
Power indicator is blinking red.
Power indicator is solid red.
Low battery alarm sounds and/or
message appears.
Critical battery alarm sounds and/or
message appears.
Touchscreen display is not bright or
dim enough.
Battery charge is running low. Recharge battery (see page 7).
Battery is dead. Replace battery (see page 9).
Battery is incorrectly installed. Ensure battery is properly installed (see page 9).
Battery is damaged. Replace battery (see page 9).
Battery power reached low battery
threshold set in Battery Properties.
Battery power reached critical battery
threshold set in Battery Properties.
Brightness of display is determined by
Display control panel setting.
Backlight is dim. User inactivity caused Tablet to move
to Dim Backlight mode.
Touchscreen display is off.
Tapping touchscreen menus, buttons,
etc., selects incorrect items.
User chose Start | Suspend or
pressed Power with display on or dim.
System inactivity caused Tablet to
move to Display Off mode.
Further inactivity caused Tablet to
move to Suspend mode.
Voltage dropped below a user-set
threshold, causing Tablet to move to
Display Off mode.
Voltage dropped below a user-set
threshold, causing Tablet to move to
Suspend mode.
Touchscreen cursor not aligned with
stylus.
Recharge battery (see page 7). See also Battery Properties
description on page 18.
Recharge battery (see page 7). See also Battery Properties
description on page 18.
Use the Brightness slider in the Display control panel to
adjust touchscreen brightness.
Touch screen to reactivate Tablet. See Power Management
Properties (page 19).
Press Power button briefly to reactivate Tablet (see page
10).
Press Power button briefly to reactivate Tablet (see page
10). See also Power Management Properties (page 19).
Press Power button briefly to reactivate Tablet (see page
10). See also Power Management Properties (page 19).
Press Power button briefly to reactivate Tablet (see page
10). Recharge battery (see page 7). See also Battery
Properties description on page 18.
Press Power button briefly to reactivate Tablet (see page
10). Recharge battery (see page 7). See also Battery
Properties description on page 18.
Recalibrate touchscreen using Stylus Properties control
panel (see page 11). Tap OK when finished recalibrating.
No sound is audible. Volume setting low or muted. Set volume to adequate level on Volume & Sounds
Properties control panel. Examine settings on Output and
Input tabs as well as Volume tab. When done, tap OK.
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