Ericsson R250 free download

File name gsm_R250.pdf

Standard Trouble Shooting Instructions Standard Trouble Shooting Instructions Applicable for R250s PRO 4/00021-2/FEA 209 544/18 D Approved according to 1776-2/FEA 209 544 R250s Mechanical Trouble Shooting Instruction Approved according to 1776-1/ FEA 209 544 Mechanical Trouble Shooting instruction R250s 4/00021-1/FEA 209 544/18.B R250s Mechanical Trouble Shooting Instruction Contents 1 Appearance problem ... 3 2 Network problem ... 4 3 On/Off problem ... 5 4 Audio problem ... 6 5 Display/Light problem ... 7 6 Capacity/Charging problem ... 8 7 SIM problem ... 9 8 Key/ Flip problem ... 10 9 Alert problem ... 12 10 Data communication problem ... 13 11 Software problem ... 14 12 Revision History ... 15 4/00021-1/FEA 209 544/18.B 2 (16) R250s Mechanical Trouble Shooting Instruction 1 Appearance problem ACTIONS · Check the general condition of the System Connector Fig 1 and the Battery Connector Fig 2 for corrosion and oxidation. · No action is taken for liquid damaged telephones. Send the unit according to local company directive. · Check that the Antenna is not damaged and tightly mounted. Fig 3. · Check that the SIM holder is working correctly. Fig 4. · Check if the Battery fits correctly and that there is no damage at the rubber gasket Fig 5. If there is, change the Battery or send the unit according to local company directive. · Check the Front cover for cracks and mechanical damage Fig 6. If necessary replace the Front cover according to the replacement instruction or send the unit according to local company directive. Fig 1 Fig 2 Fig 3 Fig 4 Fig 5 Fig 6 4/00021-1/FEA 209 544/18.B 3 (16) R250s Mechanical Trouble Shooting Instruction 2 Network problem ACTIONS · Make a general visual inspection for oxidation, corrosion or liquid damages. No action is taken for liquid damaged telephone, send the unit according to local company directive. · Insert a new SIM card and switch ON the telephone. Check that there is a signal strength shown on the display. If necessary replace the antenna according to the antenna replacement instruction. · Check the antenna for dirt or mechanical damage Fig 1.