Toshiba QOSMIO G20 manual ‰ 1R9-B1V output

2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures

‰1R9-B1V output

Error code	Meaning
E0h	1R9-B1V voltage is over 2.40V when the computer is powered on/off.
E1h	1R9-B1V voltage is 1.53V or less when the computer is powered on.
E2h	1R9-B1V voltage is 1.53V or less when the computer is booting up.
E3h	1R9-B1V voltage is 1.53V or more when the computer is powered off.
E4h	1R9-B1V voltage is 1.53V or less while the computer is suspended.

Check 2 In the case of error code 10h or 12h:

‰Make sure the AC adapter and AC power cord are firmly plugged into the DC IN 15 V socket and wall outlet. If the cables are connected firmly, go to the following step:

‰Connect a new AC adapter and AC power cord. If the problem still occurs, go to Procedure 5.

Check 3 In the case of error code 21h:

‰Go to Procedure 3.

Check 4 For any other errors, go to Procedure 5.

2-14 [CONFIDENTIAL] QOSMIO G20 Maintenance Manual (960-511)