Toshiba Portege R500 Maintenance Manual - Page 57

2.3 Power Supply Troubleshooting 2 Troubleshooting Procedures ‰ PTV output Error code Meaning E0h PTV voltage is over 1.26V when the computer is powered on/off. E1h PTV voltage is under 0.89V when the computer is powered on. E2h PTV voltage is under 0.89V when the computer is booting up. ‰ Miscellaneous Error code Meaning F0h The sub clock does not oscillate. Check 2 In the case of error code 10h or 12h: ‰ Make sure the AC adaptor cord 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 adaptor and/or AC power cord, if necessary. If the error still exists, go to Procedure 5. Check 3 In the case of error code 2Xh: ‰ Make sure the battery pack is correctly installed in the computer. If the battery pack is correctly installed, go to the following step: ‰ Replace the battery pack with a new one. If the error still exists, go to Procedure 5. Check 4 For any other error, go to Procedure 5. PORTEGE R500 Maintenance Manual (960-634) [CONFIDENTIAL] 2-11