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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 (7.00 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 7.00 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.
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 at power on.
1R5-C1V output
Error code Meaning
50h 1R5-C1V voltage is over 1.80 V, when the computer is powered on/off.
51h 1R5-C1V voltage is 1.275V or under, when the computer is powered
on.
52h 1R5-C1V voltage is 1.275V or under, when the computer is booting up.
53h 1R5-C1V voltage is 1.275V or under, when the computer is
suspended.
54h 1R5-C1V voltage is not normal, when the computer is suspended.
55h 1R5-C1V voltage is 1.275V or under at power on.
2-10 Satellite M30-35 Maintenance Manual (960-455)