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2 Troubleshooting Procedures 2.3 Power Supply Troubleshooting
2R5-B2V output
Error code Meaning
E0h 2R5-B2V voltage is over 3.00V when the computer is powered on/off.
E1h 2R5-B2V voltage is 2.125V or less when the computer is powered on.
E2h 2R5-B2V voltage is 2.125V or less when the computer is booting up.
E3h 2R5-B2V voltage is 2.125V or more when the computer is powered off.
E4h 2R5-B2V voltage is 2.125V 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 correctly, go to the
following step:
Connect a new AC adapter and AC power cord. If the error still exists, 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.
QOSMIO F10 Maintenance Manual (960-498) 2-13