Alert Problems - Ericsson A2618s Troubleshooting Manual

9 Alert Problems

Start up the unit by pressing the On/Off key.
If the unit does not start at all, go to chapter 3 ("On/Off Problems").
Use the Service Test menu and choose "Buzzer".
Activate the buzzer using the up/ down arrows.
If there is no sound from the buzzer go to 9.1.
9.1 No sound from the buzzer
Make a general visual inspection for oxidation or corrosion from liquid damage.
No action is to be taken for a liquid damaged unit, send the unit on according to the local
company directives.
Make sure that the flex-film and the elastomer are correctly mounted and mechanically intact.
Measure the resistance of R851 (1.0 kohm).
If the resistance is incorrect, replace R851.
If everything is correct change the flex-film and the elastomer.
Test the buzzer again, using the Service Test menu.
If the fault still remains, send the unit on according to the local company directives.
4/00021-2/FEA 209 544/25 A
Trouble Shooting Guide, Standard
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