Ericsson T18s Trouble-Shooting Instruction page 36

• If the phone starts and shows charging and the current consumption on the
power supply varies between ~700mA (the other method gives ~500-800 mA
depending on the type of charger) and 0 mA with a few seconds interval, the
charging function is without fault.
NOTE! After every repair of the charging function, including the repairs who
doesn´t demands current calibration in the test program EFRA, you
have to verify the charging function according to the instructions
above.
6.2 Shows charging without a charger being
connected.
Open the phone and check for liquid damages.
Give the board power and start it using the On/Off-key.
4/00021-2/FEA 209 544/12.B
T18s, T18sc Standard Electrical Repairs
Fig. 6.1.
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