Siemens Home and Office
Communication Devices GmbH & Co. KG
Confidential 15 SHC CC RCT
Version 1.5 J. Junggebauer
5.4 Repair of C104
Affected unit: A160/ 260, AC160 base station
Diagnosis code IRIS: 4N100 (Interfaces / Analogue / No Function)
Repair level:
Level 2.2
Components: C104
Needed equipment: Hot air blower, tweezers
Working material: None
Diagnosis:
The line is always busy. No incoming and no outgoing calls possible. Line voltage breaks down.
Sometimes the behaviour is sporadically.
Repair:
Replace C104 (marked with a red circle on the left bottom corner).
Test:
Make a call.
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