Communications
Confidential 38 COM MD CC GRM T
J. Junggebauer
Version 1.0 July 2005
7.10 Charging problems
Affected unit: Gigaset C350, C355
Diagnosis code IRIS: 97000 (FUNCTIONALITY / DEVICE NO CHARGING)
Repair level: Level 1
Components: Charger contact springs, charger pads
Needed equipment: Soldering iron, glass fibre pen
Working material: Desolder wick, solder
Diagnosis:
The battery segment on the handset display doesn’t start blinking when charging.
Inspect the charger pads looking for small black holes on the surface.
Check charger contact springs.
Repair:
Roughen the surface with a glass fibre pen.
Solder the charger pads so that there is a thin layer of new solder on the joints.
Suck away surplus solder with desolder wick.
Roughen the surface with a glass fibre pen.
Replace charger contact springs.
If charger pads look o.k. only replace charger contact springs.
Test:
Assemble the base station.
Check if battery segment on display starts blinking when charging.
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