Toshiba PORTEGE M300 Maintenance Manual page 61

2 Troubleshooting Procedures
Check 1 Compare the patterns in the hexadecimal error code to the tables below.
DC IN (AC Adapter, DS9, CDOC)
Error code
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 7.0A.
13h Current from the DC power supply is over 0.5A when there is no load.
14h Current sensing IC is not normal when there is no load.
Main Battery
Error code
20h Over voltage has been sensed. (Error code 20h is not supported.)
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 3.10 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 when the charging is off.
Second Battery
Error code
30h Over voltage has been sensed. (Error code 30h is not supported.)
31h Second battery charge current is over 7.00 A.
32h Second battery discharge current is over 0.5 A when there is no load.
33h Second battery charge current is over 3.10 A when the AC adapter is
not directly connected.
34h Current sensing IC is not normal when there is no load.
35h Second battery charge current is over 0.3 A when the charging is off.
S3V output ; (When Power OFF = S3V, When Power ON = E3V)
Error code
40h S3V voltage is 2.81 V or less when the computer is powered on/off.
45h S3V voltage is 2.81 V or less at power on when the charging is off.
PORTEGE M300 Maintenance Manual (960-504)
2.3 Power Supply Troubleshooting
Meaning
Meaning
Meaning
Meaning
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