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Appendix A Troubleshooting
The following are solutions for problems that can occur while using your MODIS™ unit.
Battery Pack
The following conditions may affect your battery pack:
• Battery pack does not charge
• Battery pack discharges during storage
• MODIS™ unit overheats
Battery Pack Not Charging
If the battery pack does not charge, do the following:
• Check your MODIS™ unit for correct battery pack charging setup. Refer to “Battery Pack” on
page 10 for details.
• Wait for your MODIS™ unit to reach the proper temperature. Charging will not occur if the
internal unit temperature is below 0 °C/32 °F or over 45 °C/113 °F.
• Manually activate battery charging. Refer to “Charge Battery” on page 46 for details.
• Allow the battery pack to charge in the unit for 48 hours. If the battery pack does not hold the
charge, you will need to replace it. Refer to “Replacing the Battery Pack” on page 51. Use
another power source to continue working. Refer to “Power Sources” on page 8 for details.
Battery Pack Discharging During Storage
If the battery pack is in your MODIS™ unit when powered off, a slow discharge occurs. Refer to
“Prolonging Battery Pack Life” on page 51 for proper battery pack storage.
z To try to recover a deeply discharged battery pack:
1. Plug in the AC/DC power supply.
2. Power on your MODIS™ unit.
3. Activate the battery charging utility. Refer to “Charge Battery” on page 46 for details.
Allow the battery pack to charge in the unit for 48 hours. If the battery pack does not hold a
charge, you will need to replace it. Refer to “Replacing the Battery Pack” on page 51.
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