2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting
Check 1 Compare the patterns in the hexadecimal error code to the tables below.
DC IN
Error code Meaning
10h AC Adaptor output voltage is over 16.5 V.
11h Advanced Port Replicator output voltage is over 16.5 V.
12h Current from the DC power supply is over the limit (15.4 A).
13h Current from the DC power supply is over the limit (0.5 A), when there
is no load.
14h Current sensing IC is not normal, when there is no load.
Main Battery
Error code Meaning
20h Over voltage has been detected.
21h Main battery charge current is over 15.4 A.
22h Main battery discharge current is over 0.5 A, when there is no load.
23h Main battery charge current is over 4.3 A, when the AC adapter is not
directly connected.
24h Current sensing IC is not normal, when there is no load.
25h Main battery charge current is over 0.3 A.
2nd Battery
Error code Meaning
30h Over voltage has been detected.
31h 2nd battery charge current is over 15.4 A.
32h 2nd battery discharge current is over 0.5 A, when there is no load.
33h 2nd battery charge current is over 4.3 A, when the AC adapter is not
directly connected.
34h Current sensing IC is not normal, when there is no load.
35h 2nd battery charge current is over 0.3 A.
S3V output
Error code Meaning
40h S3V voltage is 3.14 V or under, when the computer is powered on/off.
45h S3V voltage is 3.14 V or under, when the computer is booting up.
2-10 Satellite A40 Maintenance Manual (960-458)