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Ezono 3000 - Battery Related Issue

Ezono 3000
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eZono Service Documentation
QW-04: eZono 3000 Troubleshooting
Guide
2.3 Battery related issue
Set-up
The issue occurs while the system is set up as follows:
1. The battery is removed (important) and then re-inserted.
2. The power supply is NOT connected.
Symptom
The issue causes the following symptoms:
1. The power pushbutton is pressed but the power status LED remains OFF – the system does not turn ON.
2. The power status LED turns ON but turns OFF after an unexpected short amount of time system turns
OFF.
3. When the power supply is connected the battery status LED does not start to slow flash green after 15
seconds.
Diagnoses
The following information collection can be helpful to help diagnose and remedy the issue:
1. Note which symptoms listed above are observed.
2. Did the system or battery suffer a drop, impact or other event which may have triggered the issue?
3. Note if the battery casing is cracked or displays any other sign of damage.
4. The battery contains a small LCD that indicates the remaining charge of the battery.
Note the number of black indicator bars on the LCD (Min 0, Max 5).
5. Insert the battery, connect the power supply and perform the following checks:
Note if after 15 seconds the battery status LED starts to slow flash green.
If yes then after 40 minutes note if the number black indicator bars on the battery LCD has
increased.
If yes then continue to charge the battery for a further 3 hours.
Then remove power supply, turn ON the system and note system operation time on battery only.
6. Connect a different known-good battery that has at least 2 black bars on the battery charge indicator LCD.
Note if the same symptoms are observed.
Version: 1.1 © eZono AG, 2009-2015 - Confidential Page 7 of 25