IBM PS/2 N51 SX Hardware Maintenance Service page 24

5.6 Checking the Quick Charger
If a strange noise can be heard from the operating quick charger, replace
it.
1. Perform steps 1 through 3 in topic 5.3 of the "Checking the Battery
Pack" to verify the battery pack is operating correctly.
2. Connect the power cord to the quick charger and the other end to the
electrical outlet.
on.
If the power indicator does not turn on, check the power cord of the
quick charger for proper installation and continuity.
not correct the problem, replace the quick charger.
3. Install the battery pack.
If the charging indicator ( PICTURE 9) does not start blinking,
replace the quick charger.
IBM PS/2 Model N51 SX HMS
Checking the Quick Charger
Ensure that the power indicator ( PICTURE 8) turns
¦ Copyright IBM Corp. 1991
5.6 - 1
If this does